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OperatingOperatingOperatingOperating ManualManualManualManual

13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi DoubleDoubleDoubleDouble (Single)(Single)(Single)(Single) RamRamRamRamBOPBOPBOPBOP

(shear(shear(shear(shear type)type)type)type)

RongshengRongshengRongshengRongshengMachineryMachineryMachineryMachinery ManufactureManufactureManufactureManufacture Ltd.Ltd.Ltd.Ltd. OfOfOfOfHuabeiHuabeiHuabeiHuabei Oilfield,Oilfield,Oilfield,Oilfield, HebeiHebeiHebeiHebei

13131313 5/85/85/85/8””””-5000psi-5000psi-5000psi-5000psi RamRamRamRam BOPBOPBOPBOP(shear(shear(shear(shear type)type)type)type)

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CatalogCatalogCatalogCatalog1. APPLICATION...................................................................................................................12. TECHNICAL PARAMETER................................................................................................... 1

2.1 RS Ram BOP.............................................................................................................. 12.2 Technical parameter of shear ram BOP....................................................................... 3

3. WORKING PRINCIPLE........................................................................................................ 63.1 Working Principle of opening and closing operation..................................................... 63.2 Well pressure principle of sealing................................................................................ 8

4. STRUCTURE AND FEATURES OF MAIN PARTS................................................................94.1 Structure features........................................................................................................ 94.2 Pipe ram assembly.................................................................................................... 104.3 Shear Ram.......................................................................................................... 124.4 Ram Shaft Sealing Mechanism.............................................................................. 134.5 Second Sealing Mechanism................................................................................... 154.6 Locking Shaft Sealing Shaft Sealing Mechanism......................................................16

5. Details of products.............................................................................................................. 17


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1.1.1.1. APPLICATIONAPPLICATIONAPPLICATIONAPPLICATION

Ram Bop is a key part of well-control equipment. It’s used forcontrolling wellhead pressure during well drilling, workovering andtesting, etc., effectively preventing well blowout and realizing civilizedand safe construction. It can be used for the following:

☆ With proper pipe ram sealing the annular space between casingand drilling string when there is pipe in the hole.

☆ With blind ram, completely sealing wellhead when there is nopipe in the hole.

☆ When in emergent condition, the shear ram will cut off pipe in thewell and close wellhead.

☆ When the well head is closed, with killing manifold and chokemanifold connected to the spool and the outlet of the body doingmud circulating, choking and releasing, well killing and wellcleaning, etc..

☆ With killing manifold and choke manifold, effectively controllingbottom hole pressure to achieve balance of bottom holepressure.

2.2.2.2. TECHNICALTECHNICALTECHNICALTECHNICAL PARAMETERPARAMETERPARAMETERPARAMETER

2.12.12.12.1 RSRSRSRS RamRamRamRam BOPBOPBOPBOP

1）Model Indication

××× ×× ——××

Rated working pressure（MPa）

Bore size code

Product code


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Product code:FZ- single ram BOP2FZ- double ram BOP3FZ- Three ram BOP

Bore size code sees the following list:

List 1

Code Bore size Code Bore size

18 7 161 〃 48 18 4

3 〃

23 9〃 53 20 43 〃

28 11〃 54 21 41 〃

35 13 85 〃 68 26 4

3 〃

43 16 43 〃 76 30〃

Rated working pressure: six grades, sees the following list:

List 2

14MPa（2,000psi）， 21MPa(3,000psi) 35MPa(5,000psi)

70MPa(10,000psi) 105MPa(15,000psi) 140 MPa(20,000psi)

2）Temperature grades of metal material


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List 3

Temperature

grade codeCode of API

Working temperature

scope

T75 75 -59～121℃(-75～50℉)

T20 20 -29～121℃(-20～250 ℉)

T0 00 -18～121℃(0～250 ℉)

3）Temperature grades of non-metal material contacting well fluid:

Use two letters to indicate up and down limits:

Down limit (First place) Up limit (Second place)

A 15℉(-26℃) A 180℉(82℃)

B 0℉(-17.8℃) B 200℉(93℃)

C 10℉(-12.2℃) C 220℉(104℃)

D 20℉(-6.7℃) D 250℉(121℃)

E 30℉(-1℃) E 300℉(149℃)

X 40℉(4℃) X 180℉(82℃)

For example AB means the temperature range is -26℃～93℃. The

temperature grade will remark on the seals.

2.22.22.22.2 TechnicalTechnicalTechnicalTechnical parameterparameterparameterparameter ofofofof shearshearshearshear ramramramramBOPBOPBOPBOP

See the following list:


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List 4 Technical parameter of shear ram BOP

Item Single Ram BOP Double Ram BOPSize 13 5/8”-5000psi 13 5/8”-5000psiTop connection type Studded Flanged Studded Flanged Studded Flanged Studded Flanged

Bottom connection type Flanged Studded Studded Flanged Flanged Studded Studded Flanged

3620 3620 3920 6420 6420 5300 6720

Weight 710 930 1145 1145 920 1365

Bore 346.1mm (13 5/8″)Hydrostatic pressure testingpressure

70MPa (10,000psi)

Rated working pressure 35MPa (5,000psi)Hydraulic controlled ratedworking pressure

21MPa（3,000psi）

Recommended hydrauliccontrolled operating pressure

8.4～10 .5MPa(1,200～1,500psi)

Diameter of cylinder 340mmRatio of closing 1:9.6Stroke of piston 220mmOpen one set of ram oil volume 36 LClose one set of ram oil volume 40 LSize of outlet note1 3 1/8″-5,000psiQuantity of outletsnote1 1 2Temperature grade note1 T20(-29～121℃) , T75(-59～121℃)

OtherOtherOtherOther notesnotesnotesnotes：BOPBOPBOPBOP designdesigndesigndesign andandandandmanufacturemanufacturemanufacturemanufacture areareareare allallallall meetmeetmeetmeet thethethethe normalnormalnormalnormal APIAPIAPIAPI SpecSpecSpecSpec 16A16A16A16A。CanCanCanCan provideprovideprovideprovide BOPBOPBOPBOP usedusedusedused inininin HHHH2222SSSS environmentenvironmentenvironmentenvironment， sosososo meetsmeetsmeetsmeets requirementsrequirementsrequirementsrequirements ofofofof NACENACENACENACEMR-01-75MR-01-75MR-01-75MR-01-75。Note1:Note1:Note1:Note1:

1.1.1.1. The size and quantity of outlets may be different from different contracts.2.2.2.2. The temperature grade can be chosen according to different contracts.

List 5 Ram sizes for fitting

C.S.O.，2 3/8″，2 7/8″，3 1/2″，4″，4 1/2″，5″，5 1/2″， 6 5/8″, 7″, 9 5/8″,5″～5 1/2″variable ram，2 7/8″～5″variable ram，shear ram


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Figure 1 13 5/8”-5000psi Ram BOP

Figure 2 13 5/8”-5000psi Double Ram BOP

135/8135/8135/8135/8””””-3000psi-3000psi-3000psi-3000psi RamRamRamRam BOPBOPBOPBOP

3.3.3.3. WORKINGWORKINGWORKINGWORKING PRINCIPLEPRINCIPLEPRINCIPLEPRINCIPLE

3.13.13.13.1 WorkingWorkingWorkingWorking PrinciplePrinciplePrinciplePrinciple ofofofof openingopeningopeningopening andandandand closingclosingclosingclosing operationoperationoperationoperation

When pressure oil of hydraulic pressure system is pumped into the closing

cavity of left and right cylinder, it pushes the piston with the ram shaft and ram

assembly to move to the center along the orbit limited by the body ram

chamber, realizing well sealing. When pressure oil is pumped into the opening

cavity of left and right cylinder, it pushes the piston with the ram shaft and left

and right ram assembly to move away from the center, opening the wellhead.

The ram switch is controlled by the conversion valve of the hydraulic pressure

system. Normally, opening and closing operation can be accomplished in 3~5

seconds (but related to the hydraulic control system state, pipe line

specification and distance). When the ram should be locked tightly, do

manual control operation solely.

For manual locking mechanism, see the following product structure figure:

Figure 3 Manual lock system: locking and close position


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Figure 4 Manual lock system: unlocking and open position

The ram manual locking mechanism consists of locking shaft, ram shaft, manual

operation rod and hand wheel. Manual locking system closes and locks the ram by the

manual wheel. Its application is to seal the well for a long time, lock the rams in

closing position after close the rams with hydraulic system. At this time, the hydraulic

pressure can be released. After closing the rams with hydraulic pressure, turn the hand

wheel to the right, drive the locking shaft rotation through operating rod. Because the

locking shaft shoulder presses against the cylinder head, it can not go back, thus it can

only drive the ram shaft to move toward the well head center and locking the rams.

Manual-lock system can only close the rams, but can not open the rams. If you want to

open the rams closed by manual system, you must unlock the system to original

position and then open the ram with hydraulic pressure. It is the only method to open

the rams. The operation procedure is as following: Turn the hand wheel to the left until

dead end, then turn back 1/8~1/4 circle to avoid the locking shaft from blocking at the

unlocking position because of temperature change. Open the rams with hydraulic

pressure.

When using normal ram, turn locking shaft 26~27.5 circles by using manual

lock. When seal 5” drill pipe by 2 7/8”~5” variable ram, turn locking shaft

23~27.5 circles by using manual lock.


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Figure 5 Oil road of ram manual lock system

3.23.23.23.2 WellWellWellWell pressurepressurepressurepressure principleprincipleprincipleprinciple ofofofof sealingsealingsealingsealing

Ram BOP has four sealing parts in order to shut off the well head

effectively. The ram top seal and body seal; the ram front seal and pipe column,

body and sealing between the pipe and the ram front seal; sealing between the

body and the side door; sealing between the ram shaft and the side door.

Procedure of the ram sealing divided into two steps: First the ram shaft affected

by hydraulic oil pushes the ram front seal rubber to press the front part of

sealing distorted. Over compression between the top seal rubber and the body

seals the top part and accomplishes primary sealing. Second when there is

pressure in the well, the well pressure pushes the ram front seal front back part

of the ram to extrude distoration more deeply, at the same time, well pressure

pushes the ram up against the body seal face, thus making reliable sealing.

This is called "well pressure assisting sealing".


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4.4.4.4. STRUCTURESTRUCTURESTRUCTURESTRUCTURE ANDANDANDAND FEATURESFEATURESFEATURESFEATURES OFOFOFOF MAINMAINMAINMAIN PARTSPARTSPARTSPARTS

4.14.14.14.1 StructureStructureStructureStructure featuresfeaturesfeaturesfeatures

� Main pressure-bearing assemblies such as the body and the side door are

casted with alloysteel of high strength and high toughness and properly

heat treated before leaving the factory, the BOP is water pressure tested to

ensure safety during operating under working pressure.

� There are high supporting ribs and obligue plane for settling sand sloping to

the well hole at the bottom of the ram cavity of the body, desanding autoly

when opening and closing the ram, reducing friction of the ram. It is also

helpful for well pressure assisting ram seal.

� Using floating ram sealing can reduce the resistance force of opening and

closing the ram, wearing of the ram rubbers, prolonging the ram life and

also preventing rustness between the body and the ram, accessible for

changing.

� Hydraulic pipe is used with buried structure to avoid damaging the pipe

during installating, transporting and operating.

� The top seal surface of inner cavity of body has been done anti-chemical

corrosion treatment. The gasket groove of flange, sealing ring groove of

bonnet and packing hole of ram shaft has been built-welded with stainless

steel. The retainer ring of ram shaft packing is manufactured by special

stainless steel with good anti-corrosive performance.

� Parts and its surfaces of contacting with fluid in inner cavity of BOP can be

H2S-service. It per to standard of NACE MR0175.

� Size of outer coupling conforms to API 16A specification.


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4.24.24.24.2 PipePipePipePipe ramramramram assemblyassemblyassemblyassembly

13 5/8"-5000psi shear ram BOP has two type structures of ram assembly.

One type is one-piece ram, namely HF type. It is new structure. The other type

is two-pieces ram, namely S type. It is old structure. These two types of

structure can be used in BOP introduced in this operating manual.

Figure 6 HF type pipe ram


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List 6：Part List of HF type Ram Assembly

Item 1 2 3

Description Assembly Top Seal Front Seal Ram Block

QtySize

1 1 1

C.S.O FZ897.21.01.00 FZ897.21.01.01 RJ11148.09.01.02 FZ897.21.01.03

2 3/8" FZ897.21.02.00 FZ897.21.01.01 RJ11148.09.08.02 FZ897.21.02.03

2 7/8" FZ897.21.03.00 FZ897.21.01.01 RJ11148.09.02.02 FZ897.21.03.03

3 1/2" FZ897.21.04.00 FZ897.21.01.01 RJ11148.09.03.02 FZ897.21.04.03

3 1/2" Dual FZ897.21.10.00 FZ897.21.01.01 RJ11148.09.16.02 FZ897.21.10.03

4 1/2" FZ897.21.05.00 FZ897.21.01.01 RJ11148.09.13.02 FZ897.21.05.03

5" FZ897.21.06.00 FZ897.21.01.01 RJ11148.09.04.02 FZ897.21.06.03

5 1/2" FZ897.21.07.00 FZ897.21.01.01 RJ11148.09.05.02 FZ897.21.07.03

6 5/8" FZ897.21.10.00 FZ897.21.01.01 RJ11148.09.11.02 FZ897.21.10.03

7" FZ897.21.08.00 FZ897.21.01.01 RJ11148.09.06.02 FZ897.21.08.03

9 5/8" FZ897.21.09.00 FZ897.21.01.01 RJ11148.09.07.02 FZ897.21.09.03

10 3/4" FZ897.21.13.00 FZ897.21.01.01 RJ11148.09.17.02 FZ897.21.13.03

5"-5 1/2" FZ897.21.11.00 FZ897.21.01.01 RJ11148.09.14.02 FZ897.21.11.03

2 7/8"-5" RS11172.16.00 RS11172.16.03 RS11172.16.02 RS11172.16.01

List 7：Part List of S type Ram Assembly

Item 1 2 3 4 5

Description Assembly Sealing Element Ram Block Holder Ram Screw Screw

Qty

Size1 1 1 2 2

C.S.O F751.14.24.00 F751.14.24.02.00 F751.14.24.01 F751.14.24.03.00 F751.14.24.04.03GB70-85

M12×60

2 3/8" F751.14.04.09.00 F751.14.04.09.02.00 F751.14.04.09.01 F751.14.24.03.00 F751.14.24.04.03

2 7/8" F751.14.04.01.00 F751.14.04.01.02.00 F751.14.04.01.01 F751.14.24.03.00 F751.14.24.04.03

3 1/2" F751.14.04.02.00 F751.14.04.02.02.00 F751.14.04.02.01 F751.14.24.03.00 F751.14.24.04.03

4 1/2" F751.14.04.03.00 F751.14.04.03.02.00 F751.14.04.03.01 F751.14.24.03.00 F751.14.24.04.03

5" F751.14.04.04.00 F751.14.04.04.02.00 F751.14.04.04.01 F751.14.24.03.00 F751.14.24.04.03

5 1/2" F751.14.04.05.00 F751.14.04.05.02.00 F751.14.04.05.01 F751.14.24.03.00 F751.14.24.04.03

7" F751.14.04.06.00 F751.14.04.06.02.00 F751.14.04.06.01 F751.14.24.03.00 F751.14.24.04.03

9 5/8" F751.14.04.07.00 F751.14.04.07.02.00 F751.14.04.07.01 F751.14.24.03.00 F751.14.24.04.03

5-5 1/2"

variableF751.14.04.08.00 F751.14.04.08.02.00 F751.14.04.08.01 F751.14.24.03.00 F751.14.24.04.03


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4.34.34.34.3 ShearShearShearShear RamRamRamRam

Figure 7 Shear Ram

Shear Ram can cut off the pipe and seal the well complete。The installationof Shear Rams is same as normal size Ram.

List 8 Part List of Shear Ram

Item P/N Description Qty Remark

1 RJ11172.15.04 Ram Seals; Lower 1 sulphurised

2 RJ11172.15.03 Ram Block; Lower 1

3 RJ11172.15.02 Ram Seals; Upper 1 sulphurised

4 RJ11172.15.01 Ram Block; Upper 1


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Figure 8 Shear Ram

CautionCautionCautionCaution ofofofof ShearShearShearShear RamRamRamRam：

1） When the Shear Rams are used as Blind Ram ， BOP control unit’soperating pressure is 8.4～10.5MPa(1200～1500psi)；

2） normal size Ram can be exchanged with Shear Ram；

3） Shear Ram operation parameters：� BOP control unit’s closing pressure should be increased to 21MPa，and

accumulator’s pressure will be used；� Shear Ram 5″pipe，G-105，thickness 9.19mm，shear Ram’s closing

pressure≥14MPa；� The Max. working pressure is 35 MPa。▲▲▲▲！！！！CautionCautionCautionCaution：：：：ShearShearShearShear RamsRamsRamsRams areareareare notnotnotnot anti-H2S,anti-H2S,anti-H2S,anti-H2S, sosososo itititit mustmustmustmust bebebebe watchedwatchedwatchedwatchedoutoutoutout

totototo useuseuseuse thethethethe shearshearshearshear RamsRamsRamsRams inininin H2SH2SH2SH2S environmentenvironmentenvironmentenvironment....

4.44.44.44.4 RamRamRamRamShaftShaftShaftShaft SealingSealingSealingSealing MechanismMechanismMechanismMechanism

The seal system between ram shaft and bonnet is divided to two parts.


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Details as follows：

Figure 9 Ram Shaft Mechanism

List 9 Part list of Ram Shaft Mechanism

Item P/N Description Qty

1 Retainer 135 Retainer for hole 1

2 FZ897.1.14 Retainer Ring 1

3 FZ897.1.12 W-Ring 4

4 FZ897.1.13 Press Ring 1

5 130×3.1 O-Ring 2

6 FZ897.1.14 Adapter Sleeve 1

7 115×3.1 O-Ring 2

8 FZ897.1.30 Y-Ring 1

Note：The quantity listed in table is one bonnet’s parts’ quantity


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4.54.54.54.5 SecondSecondSecondSecond SealingSealingSealingSealing MechanismMechanismMechanismMechanism

Figure 10 Second Sealing Mechanism

Note: The ester bar hole’s position in the fig is at horizontal direction.

List 10：Parts’ List Second Sealing MechanismItem P/N Description Qty Remark

1 RJ11148.12 NPT 1 Plug 1 Hex. Wrench S=10

2 RJ11148.13 Press Plug 1 Hex. Wrench S=12

3 Second Sealing Ester Bar 1

4 RJ11148.14.00 Check Valve 1 Hex. Wrench S=12

5 RJ11148.21 Plug ZG1/2″ 1 Hex. Wrench S=10

The seal system between ram shaft and bonnet is divided to two parts.

One part is used to seal off well pressure, and another seal off control pressure.

(See Figure 8.) The secondary seal system is between the two parts. Usually,

the seal here is very reliable because it has several different seal rings and

O-ring in the middle. But they occasionally would be damaged for some reason.

In this case, when shut well, there will be leaking. So we need the secondary

seal system to treat it emergently.

During a well is shut off, if there is liquid flowing out from the seeing hole


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(at the bottom part of the bonnet), indicating that the seal rings has been

damaged and we can know that the seal on well side or the seal on control side

is damaged from the liquid. At this time, immediately remove the plug of the

grease injection pore, install club-shaped in the pore, and then turn the screw

clockwisely with an inner hex wrench to inject the tightened plug, and inject the

secondary seal grease across the radial hole of the check valve and supporting

seal sleeve in the circular seam so as to achieve the seal remedy.

Caution to use secondary seal system:

� To prevent the grease from being solidified after long time, we do not put

grease in BOP in factory. And while the BOP is not used, it is also

without this grease. Only before the BOP is used in site, put in the

grease. And after a well is completed and the BOP is inspected and

repaired, take out and clean the grease.

� Get special tool ready.

� During working should often notice the following notice hole plug (on it

there is little hole) if there is liquid flowing out.

� Don’t inject too much grease when seal ring is damaged. Proper inject

quantity is that there is no liquid flowing out. Because the secondary

seal grease is more frictional and with granule substance, it impairs the

ram shaft when it returns.

4.64.64.64.6 LockingLockingLockingLocking ShaftShaftShaftShaft SealingSealingSealingSealing ShaftShaftShaftShaft SealingSealingSealingSealingMechanismMechanismMechanismMechanism

Manual Locking Shaft Sealing Mechanism Structure:


17

Figure 11 Locking Shaft Sealing Mechanism

List 11 Parts’ List Manual Locking Shaft Sealing Mechanism

Item P/N Description Qty

1 GB893.1-86 Retainer 95 1

2 F751.14.21 Retainer Sleeve 1

3 F751.14.20 W-Ring 13 3

4 F751.14.19 Press Ring 1

5 F751.14.18 Dust-proof ring Seat 1

6 F751.14.17 Dust- proof Ring 1

Note：the quantity list in table is one locking shaft’s parts’ quantity

5.5.5.5. DetailsDetailsDetailsDetails ofofofof productsproductsproductsproducts

Ram BOP with Manual Locking Mechanism is showed as Fig 6, 8, 9, 10, 11 and

Fig 12.


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Figure 12 Assembling Relation Drawing（Manual Locking）


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List 12 Part’s List（Manual Locking）

Item Description Qty P/N Remark1 Body（Single） 1 RJ11173.01

1A Body（Double） 1 RJ11172.012 Gasket 1 R353 Blind Flange 1 FZ902.24 Bolt 8 RS11709.07.035 Nut 8 RS11706.076 Pin 2 F9301.327 Ram Assembly See table 6,7,88 Ram Shaft 2 RJ11172.099 Seal; Bonnet 2 FZ897.1.3.0010 Seals; Ram Shaft 2 Sets. See table 9

11Second Sealing EsterBar

2 Sets. See table10

12 Bonnet; Right 1 RJ11172.0712A Bonnet; Left 1 RJ11172.0213 Bolt; Bonnet 16 RJ11172.1314 Cylinder 2 RJ11172.0815 Piston 2 RJ11172.1416 Seal; Piston 4 RJ11148.1517 Screw 4 M8×2518 Cylinder Head; Right 1 RJ11172.11

18A Cylinder Head; Left 1 RJ11172.0319 Nut 16 RJ11172.0520 Bolt 16 RJ11172.0421 Seals; Locking Shaft 2 Sets. See table 11

Item Description Qty P/N Remark22 Locking Shaft 2 RJ11172.1023 O-Ring 4 325×724 Locking Nut; Piston 2 FZ897.1.1125 O-Ring 2 110×5.726 O-Ring 8 26.5×3.5527 Pipe 2 RJ11172.1228 Plug R3/4 14 RJ11148.3729 O-Ring 4 32.5×3.5530 Bracket 4 RJ11172.0631 Position Pin 8 RJ11148.0632 Screw 8 RJ11148.0533 Screw 16 M20×10034 O-Ring 8 43.7×3.5535 O-Ring 2 43.7×3.5536 Screw 8 M12×4037 Port 2 F9301.3038 Plug MPT 1 2 F9301.29

39Manual Operationassembly

2 Sets. F751.17.00

Note：The quantity listed in table is Single Ram BOP’s parts’ quantity.


20

Table 13 Repair kit（manual locking）

Item Description Quantity Part No. Remark

10

Sealing parts for ram shaft：

See table 9W-ring 7 FZ897.1.12

Press ring 2 FZ897.1.13

O-ring 2 130×3.1

O-ring 2 115×3.1

Y-ring 1 FZ897.1.30

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Sealing parts for locking shaft：

See table 11W-ring 3 F751.14.20

Press ring 1 F751.14.19

Anti-rust

ring

1F751.14.17

16Sealing ringfor piston 2 RJ11148.15

23 O -ring 2 325×725 O -ring 1 110×5.726 O -ring 4 26.5×3.5529 O -ring 2 32.5×3.55

35 O -ring 5 43.7×3.55Including item

34

Note：One repair kit includes all the sealing parts for one bonnet assembly.

INSTALLATION,OPERATIONINSTALLATION,OPERATIONINSTALLATION,OPERATIONINSTALLATION,OPERATIONANDANDANDAND CAUTIONSCAUTIONSCAUTIONSCAUTIONS

6.16.16.16.1 PreparingPreparingPreparingPreparing worksworksworksworks beforebeforebeforebefore usageusageusageusage

After Ram BOP installed on well head, inspect the following before

operation, to ensure its proper operation.

1) Check BOP is installed rightly or not: lifting ear of body should be

installed on the upside; manual locking device should be installed

completely and well fastened, and hang a plate where the hand wheel is

to indicate the open and close circles; all the connecting bolt should be in

turn tightened diagonally and equably.


21

2) Inspect oil pipes to see whether they are in compliance with BOP switch

direction or not, provide 286～429psi control pressure to test each ram

twice (open and close), draining air from cylinders and pipes. If ram

switch action is not in compliance with the mark on the handle of control

platform, adjusting the connection pipes.

3) Inspect manual-lock system to see whether it is well connected or not,

closing and opening ram by manual rod is fixable or not, record hand

wheel rotation number when closing well and mark it on hand-wheel.

After finishing the tests, rotate hand wheel on left and make it unlocked,

open ram by hydraulic pressure.

4) Wellhead equipments shall be fully pressure tested. Standards of test shall

be according to related well control specifications. After tests, every

connection bolt is fixed once again avoiding unbalanced distribution. See

the tightening torque of flange bolt from list 14 or 15.

5) Check installed ram rubber sizes to see whether it is compliance with

drilling tool sizes or not.

6) Check whether the killing and choke manifolds are well connected or not.

7) While BOP is inspected on the ground, it should be fully injected by

water, and open and close ram at least twice so as to drain air in cylinders

and pipes.


22

List 2 RECOMMENDEDRECOMMENDEDRECOMMENDEDRECOMMENDEDTORQUETORQUETORQUETORQUE FORFORFORFOR DIFFERENTDIFFERENTDIFFERENTDIFFERENTSIZESSIZESSIZESSIZES OFOFOFOF BOLTSBOLTSBOLTSBOLTSANDANDANDANDSCREWSSCREWSSCREWSSCREWS (METRIC(METRIC(METRIC(METRIC UNIT)UNIT)UNIT)UNIT)

Size of boltsand screws

TighteningtorqueN·m





M12 80 M33×3 1292 M52×3 5505M16 153 M36×3 1737 M38×3 7892M20 266 M39×3 2272 M64×3 10885M22 424 M42×3 2910 M70×3 14549M27 643 M45×3 3654 M76×3 18957

M30×3 930 M48×3 4516 M80×3 21565

List 3 RECOMMENDEDRECOMMENDEDRECOMMENDEDRECOMMENDED TORQUETORQUETORQUETORQUE FORFORFORFOR DIFFERENTDIFFERENTDIFFERENTDIFFERENT SIZESSIZESSIZESSIZES OFOFOFOF BOLTSBOLTSBOLTSBOLTSANDANDANDANDSCREWSSCREWSSCREWSSCREWS (ENGLISH(ENGLISH(ENGLISH(ENGLISH UNIT)UNIT)UNIT)UNIT)







1/2-13UNC 59 1 1/4-8UN 953 2-8UN 40605/8-11UNC 113 1 3/8-8UN 1281 2 1/4-8UN 58213/4-10UNC 196 1 1/2-8UN 1676 2 1/2-8UN 80287/8-9UNC 313 1 5/8-8UN 2146 2 3/4-8UN 107311-8UN 474 1 3/4-8UN 2695 3-8UN 139821 1/8-8UN 686 1 7/8-8UN 3331 3 1/4-8UN 17830

6.26.26.26.2 OperationOperationOperationOperation cautionscautionscautionscautions

1) BOP must be operated by professional person. Operators should be

familiar with BOP working principle, specifications and process, and

can also operate, repair, maintain and eliminate troubles.

2) When test the closing ram without string in hole, the max closing

hydraulic pressure should be less than 429psi to prevent rubber from

damage. When open the ram, the opening pressure of hydraulic

locking device can be increased properly. When there is string in the


23

well, closing the blind ram is prohibited.

3) When closing well for a long time, BOP controlled by manual locking

system should lock the ram by this system and indicate the condition

on control platform to prevent wrong operation.

4) After reaching objective interval, the rams should be opened and

closed one time every day to see whether they are flexible lock in

normal condition or not and whether the manual locking system and

hydraulic locking system are flexible or not. After the drill string is

pulled out of the well, blind ram open and close test is needed. When

there is string in hole, do not close blind ram and shear ram.

5) Releasing pressure by opening ram is prohibited to prevent rubber

from damage. Before opening ram, check the manual-lock system and

keep then in unlocking position. When opened rams, check the ram to

see whether it is fully opened to prevent ram damage from drilling

tools.

6) Keep hydraulic oil clean.

7) After using BOP, ram should be fully opened for easy repair.

7. MAINTENANCEMAINTENANCEMAINTENANCEMAINTENANCE

BOP shall be completely cleared and checked after being used for one

well at site. Replace damaged parts in time, anoint so as to prevent rust after

cleaned ram chamber and ram assembly, (suggest to oil them by synthetic


24

complex aluminium grease), and oil connecting thread part by thread grease.

7.1.7.1.7.1.7.1. ReplacementReplacementReplacementReplacement ofofofof ramramramramandandandand ramramramram rubberrubberrubberrubber

Ram rubber is the key part in a BOP. If damaged, BOP is useless in

sealing well. So it is very important to keep it in good condition, and it must

be replaced in time if there is damage in sealing surface. The steps of

replacement ram and ram rubber are as follows:

▲▲▲▲！！！！Note:Note:Note:Note: manualmanualmanualmanual lockinglockinglockinglocking devicedevicedevicedevice shouldshouldshouldshould bebebebe unlockedunlockedunlockedunlocked。。。。

1) Open the ram completely with hydraulic oil；

2) Pull ram assembly out horizontally from the ram shaft tail. When take

out ram assembly, note to protect the bonnet seal surface, ram and ram

shaft from being knocked and scratched.；

3) While replacing ram rubber, first remove ram screw, take ram holder

down, prize out the top seal rear of ram rubber upwards, then dismount ram

rubber forward, last replace new rubber. Assembling order is contrary to

disassembling.

7.2.7.2.7.2.7.2. MaintenanceMaintenanceMaintenanceMaintenance forforforfor bonnetbonnetbonnetbonnet hingehingehingehinge bracketbracketbracketbracket

Bonnet hinge bracket is either bonnet rotating shaft or

hydraulic oil passage. When seal ring damaged, there will be oil

losing. At this moment, it is necessary to disassembly the hinge

bracket and checking steps as follows:


25

1) Ensure bonnet is fixed connection with the body；

2) Remove two locating pins from hinge bracket, and four connected

bolts.（Note：structure of the locating pin is separate, and it can be pulled

out by M8 screw）

3) Remove hinge bracket from bonnet with gently hammering avoiding

seal side damage。

4) When installation, coat lubricant on related surface, and insert bonnet

gently. Take care of the position of locating hole, fit two locating pins

first, then four bolts.。

5) Check O-rings of hinge bracket and replace all O-rings if possible.

Verify seal side intact, repair or replace them in time if existing damage.

6) When disassemble and assemble hinge bracket, keep the original

assembling relationship and they can not be changed.

7.3.7.3.7.3.7.3. MaintenanceMaintenanceMaintenanceMaintenance forforforfor cylindercylindercylindercylinder assemblyassemblyassemblyassembly

1) ForForForFor ramramramram shaftshaftshaftshaft seal,seal,seal,seal, pistonpistonpistonpiston seal,seal,seal,seal, lockinglockinglockinglocking shaftshaftshaftshaft seal,seal,seal,seal, ifififif leakingleakingleakingleaking oil,oil,oil,oil, theytheytheythey

shallshallshallshall bebebebe repairedrepairedrepairedrepaired andandandand checkedcheckedcheckedchecked asasasas thethethethe followingfollowingfollowingfollowing steps:steps:steps:steps:：

⑴ If ram is not opened fully, open the rams completely through

hydraulic pressure. If bonnet is opened fully, close bonnet and at least screw a

bolt at the opposite from hinge bracket, and then open the ram；

⑵ Put a clean basin under cylinder, to prevent oil from flowing on

ground；


26

⑶ Remove cylinder cover studs and nuts. Screw off cylinder cover and

locking shaft；

⑷ Drive out locking shaft from cylinder cover；

⑸ Remove cylinder；

⑹ Release fixed screw in piston locking cap（Item No. 17）；

⑺ Remove piston-locking cap, and take down the piston.；

⑻ Open bonnet, take off ram, and pull out ram shaft；

⑼ Remove retainer, take out ram shaft, sealing ring, and take down

locking shaft sealing ring in cylinder cover by the same way.

2) CheckingCheckingCheckingChecking positionpositionpositionposition afterafterafterafter cylindercylindercylindercylinder disassemblydisassemblydisassemblydisassembly

⑴ Inner wall of cylinder

When emerging lognitudinal scratch on inner wall of cylinder, it can not

prevent leaking oil even if change a new piston seal ring. A new cylinder

should be changed. At the same time, check related parts of piston and find

out scratching reasons and solve the troubles. If scratch is shallow line or

dotted, amend them with abrasive paper and abrasive stick.。

⑵ Ram shaft and locking shaft-sealing surface

When there is scratch on sealing surface, use the same inspection and

treatment method as on cylinder. If coating peeling off, that will cause leakage,

in this case, they must be changed.

⑶ Seal ring.

Check sealing parts and O-rings to ensure no scratch. If there is, change


27

them.

⑷ Piston

If the uneven wearing depth of moving sealing surface of piston exceed

0.2mm, change it and it is not allowed to emerge obvious scratch on other

surfaces.

3). Cylinder assembly installation

InstallationInstallationInstallationInstallation stepstepstepstep areareareare reversalreversalreversalreversal disassemblydisassemblydisassemblydisassembly stepsstepsstepssteps ofofofof it.it.it.it. ButButButBut notenotenotenote thethethethe

followingfollowingfollowingfollowing itemsitemsitemsitems：

(1). Check whether there are burs and sharp edges on parts or not. If

there is, get rid of them to prevent seal ring from scratch, and keep them

clean.。

(2). When setting seal ring, lubricate seal ring area and related area for

easy assembly.

(3). Take care of seal ring lip direction; ensure lip mouth against

pressure side.

(4). Ensure seal ring passing through thread part smoothly.

PROPERPROPERPROPERPROPER STORAGESTORAGESTORAGESTORAGE OFOFOFOF RUBBERRUBBERRUBBERRUBBER PARTSPARTSPARTSPARTS

All rubber parts must be stored as following:

I. Store rubber parts in a dark and dry place: Temperature is 0-25℃。

Keep them away from heaters direct sunlight；

II. Don’t spray corrosive material onto rubber part；

III. Store these items away from high-voltage equipments.


28

High-voltage equipment frequently produces ozone which attacks

rubber；

IV. Store rubber parts in a relaxed condition. They can not be bended,

squeezed or hanged.；

V. Rubber part should be checked periodically. If there is any problem

in a rubber part, it can not be used；

VI. Usually the storage term is 2 years。


29

TROUBLESTROUBLESTROUBLESTROUBLESANDANDANDAND SETTLEMENTSSETTLEMENTSSETTLEMENTSSETTLEMENTS

ItemItemItemItem

No.No.No.No.TroubleTroubleTroubleTrouble phenomenaphenomenaphenomenaphenomena CauseCauseCauseCause SettlementsSettlementsSettlementsSettlements

1

FluidsFluidsFluidsFluids flowflowflowflow outoutoutout fromfromfromfrom thethethethe

clearanceclearanceclearanceclearance betweenbetweenbetweenbetween thethethethe

bodybodybodybody andandandand bonnet.bonnet.bonnet.bonnet.

a.a.a.a. SealSealSealSeal ringringringring betweenbetweenbetweenbetween thethethethe bodybodybodybody andandandand

bonnetbonnetbonnetbonnet isisisis damaged.damaged.damaged.damaged.

ChangeChangeChangeChange damageddamageddamageddamaged sealsealsealseal

ring.ring.ring.ring.

b.b.b.b. ThereThereThereThere isisisis dustdustdustdust andandandand damagedamagedamagedamage onononon thethethetheBOPBOPBOPBOPbodybodybodybody andandandand bonnetbonnetbonnetbonnet sealsealsealseal surface.surface.surface.surface.

ClearClearClearClear dustdustdustdust andandandand repairrepairrepairrepairdamageddamageddamageddamaged position.position.position.position.

2

RamRamRamRam movementmovementmovementmovement

directiondirectiondirectiondirection isisisis notnotnotnot

conformanceconformanceconformanceconformance withwithwithwith plateplateplateplate

markmarkmarkmark ofofofof controlcontrolcontrolcontrol valve.valve.valve.valve.

BOPBOPBOPBOP pipespipespipespipes areareareare wrongwrongwrongwrong connectedconnectedconnectedconnected totototo

controlcontrolcontrolcontrol platform.platform.platform.platform.ReverseReverseReverseReverse BOPBOPBOPBOPpipes.pipes.pipes.pipes.

3

HydraulicHydraulicHydraulicHydraulic systemsystemsystemsystem isisisis ok,ok,ok,ok,

butbutbutbut ramramramram cancancancan notnotnotnot

opened,opened,opened,opened, closedclosedclosedclosed fully.fully.fully.fully.

ThereThereThereThere areareareare otherotherotherother materials,materials,materials,materials, sandsandsandsand andandandand

mudmudmudmud onononon ramramramram contactcontactcontactcontact ends.ends.ends.ends.cleancleancleanclean ramramramram andandandand bonnet.bonnet.bonnet.bonnet.

4FluidsFluidsFluidsFluids flowflowflowflow outoutoutout fromfromfromfrom thethethethe

bonnetbonnetbonnetbonnet sightsightsightsight holeholeholehole。

RamRamRamRam shaftshaftshaftshaft onononon thethethethe sidesidesideside ofofofof bodybodybodybody sealsealsealsealringringringring damaged,damaged,damaged,damaged, ramramramram shaftshaftshaftshaft surfacesurfacesurfacesurfacescratched.scratched.scratched.scratched.

ChangeChangeChangeChange damageddamageddamageddamaged ramramramramshaftshaftshaftshaft sealsealsealseal ring,ring,ring,ring, andandandandrepairrepairrepairrepair thethethethe damageddamageddamageddamagedramramramram shaft.shaft.shaft.shaft.

5

HydraulicHydraulicHydraulicHydraulic oiloiloiloil flowsflowsflowsflows outoutoutoutfromfromfromfrom thethethethe bonnetbonnetbonnetbonnet sightsightsightsight

holeholeholehole。

RamRamRamRam shaftshaftshaftshaft onononon thethethethe sidesidesideside ofofofof cylindercylindercylindercylindersealsealsealseal ringringringring damaged,damaged,damaged,damaged, ramramramram shaftshaftshaftshaftsurfacesurfacesurfacesurface scratched.scratched.scratched.scratched.

ChangeChangeChangeChange damageddamageddamageddamaged ramramramramshaftshaftshaftshaft sealsealsealseal ring,ring,ring,ring, andandandandrepairrepairrepairrepair thethethethe damageddamageddamageddamagedramramramram shaftshaftshaftshaft ....

6BOPBOPBOPBOP hydraulichydraulichydraulichydraulic partpartpartpart cancancancan

notnotnotnot holdholdholdhold pressure.pressure.pressure.pressure.

BOPBOPBOPBOP cylinder,cylinder,cylinder,cylinder, piston,piston,piston,piston, lockinglockinglockinglocking shaft,shaft,shaft,shaft,

oiloiloiloil pipe,pipe,pipe,pipe, ramramramram shaftshaftshaftshaft sealsealsealseal ringringringring

damaged,damaged,damaged,damaged, sealsealsealseal surfacesurfacesurfacesurface scratched.scratched.scratched.scratched.

ReplaceReplaceReplaceReplace allallallall sealsealsealseal ringsringsringsrings

andandandand repairrepairrepairrepair sealsealsealseal

surfacesurfacesurfacesurface orororor changechangechangechange newnewnewnew

parts.parts.parts.parts.

7ItItItIt cancancancan notnotnotnot holdholdholdhold pressurepressurepressurepressure

whenwhenwhenwhen ramramramram closed.closed.closed.closed.

RamRamRamRam sealsealsealseal rubberrubberrubberrubber damaged,damaged,damaged,damaged, upperupperupperupper

sealsealsealseal surfacesurfacesurfacesurface ofofofof thethethethe ramramramram chamberchamberchamberchamber

damaged.damaged.damaged.damaged.

ChangeChangeChangeChange ramramramram rubber,rubber,rubber,rubber,

andandandand repairrepairrepairrepair sealsealsealseal

surface.surface.surface.surface.

8

ControlControlControlControl oiloiloiloil currentcurrentcurrentcurrent isisisis

ok,ok,ok,ok, butbutbutbut ramramramram can'tcan'tcan'tcan't bebebebe

openedopenedopenedopened withwithwithwith hydraulichydraulichydraulichydraulic

pressure.pressure.pressure.pressure.

RamRamRamRam pluggedpluggedpluggedpluggedwithwithwithwith sandsandsandsand andandandand mud.mud.mud.mud.

ClearClearClearClear sandsandsandsand andandandand mudmudmudmud

increaseincreaseincreaseincrease hydraulichydraulichydraulichydraulic

controlcontrolcontrolcontrol pressure.pressure.pressure.pressure.


30

AttachedAttachedAttachedAttached BOPBOPBOPBOP nutsnutsnutsnuts sizesizesizesize

Unit：mm

P/Nd S m

e WeightMetricsystem

Englishunit

Nominalsize

Tol. Nominalsize

Tol.

11706.01 M12 1/2 22

0

-0.21

12 ±0.3 25.4 0.03

11706.02 M16 5/8 27 16 ±

0.35

31.1 0.05

11706.03 M20 3/4 30 19

±

0.42

34.6 0.07

11706.04 M22 7/8 36

0

-0.25

22 41.6 0.1

11706.05 M24 1 41 25 47.3 0.19

11706.06 M27 41 28 47.3 0.19

11706.07 M30X3 1 1/8 46 28 53.1 0.25

11706.08 M33X3 1 1/4 50 31

±0.5

57.7 0.32

11706.09 M36X3 1 3/8 55

0

-0.3

34 63.5 0.42

11706.10 M39X3 1 1/2 60 37 69.3 0.54

11706.11 M42X3 1 5/8 65 41 75.1 0.7

11706.12 M45X3 1 3/4 68 44 78.5 0.8

11706.13 M48X3 1 7/8 74 47 86.6 1.02

11706.14 M50X3 2 77 50

±0.6

88.9 1.67

11706.15 M52X3 77 50 88.9 1.67

11706.16 M58X3 2 1/4 88

0

-0.35

56 101.6 1.78

11706.17 M64X3 2 1/2 98 63 113.1 2.32

11706.18 M70X3 2 3/4 105 68 121.2 2.78

11706.19 M76X3 3 115 75 132.8 3.7

11706.20 M80X3 3 1/4 125 0

-0.4

81 144.3 4.89

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