dct - drill rods & casing - eng ok · 2019. 2. 27. · diamantina christensen 2 drill rods...
TRANSCRIPT
Joint coupling
Operation Tips
WIRELINE RODSCARE AND HANDLING
Drilling companies constantly need to achieve greater depths, while machines are increasingly more powerful and faster. Heat treatment applied to rod ends, enhances their torque and tensile strengths. Steels and machining processes are subject to strict quality controls that guarantee perfect coupling of rods and extend their duration.
• Remove all dust accumulation in male and female threads.• Apply Drill grease to allow proper tightening torque and prevent frictional wear.• For a first connection, decouple, clean and lubricate joints.• Turn the male end clockwise in the female end, ensuring alignment (threads to the right).• Tightening torque preloads the male and female to close the joint, creating a seal to prevent fluid leaking and rod
swaying. Poorly applied tightening torque reduces pull back (tensile) or pull down (compression) capacities.• In negative and/or deep wells, apply greater tightening torque to keep fluid seal in the joints close to the top of the rod
column.• Conversely, apply less tightening torque to joints near the end of the column crown or to joints in rod strings in under-
ground drilling of positive wells, to maximize joints’ pull down capacities.• In deviated wells, tightening torque is critical to prevent swaying leading to fatigue failure. • Excessive tightening torque also reduces the joint’s fatigue strength.
• Insufficient tightening torque may cause joint or thread breaking in female-male ends, in addition to possible fluid leaking. • Apply recommended minimum tightening torque for a secure joint and male/female thread coupling.• Excessive tightening torque reduces drilling performance and maximum depth.
DIAMANTINA CHRISTENSEN 2 DRILL RODS & CASING
90°
Useful life
Joint decoupling
• Abrupt decoupling reduces thread life.
• Do not hit rod male ends when decoupling. Lower suspended rod to one inch (approx.) of the female connected to the rod column and manually screw threads.
• Do not scratch threaded surfaces. This directly affects joint sealability.
• Check that hoisting plug threads and upper header adapters are not worn out or dusty before connecting them to the rod column.
• When stacking rods on the mast, place a wooden base or a rubber support surface to protect male connections. This is very important for handling 20 ft (6 m) or longer rods.
• When tightening rods, keep the wrench at a 90 degree angle from the rod.
• Use full grip rod wrenches to avoid damaging the rod.
• Do not alternate rods with threaded products of similar appearance from other manufacturers.
• Do not place the wrench or mandrel in heat treated bands near the joint as it could cause slipping.
• Do not use cotton gaskets or any type of tape for threads. Thread design allows hermetic leak-proof coupling.
• Do not drag rod threads on the floor.
To maximize the life of rods, plan the drilling schedule so that each rod in the column has the same service life. If a rod is kept at the top of the string as a guide, be sure to discard the rod if the male thread is damaged and never use this rod at the pit bottom.
Drill rods have "memory". Application of excessive torque, stress or bending to a rod, reduces its capacity. This explains why a rod can withstand one or two difficult cycles and then fail in an easy one.
DIAMANTINA CHRISTENSEN 3 DRILL RODS & CASING
Cleaning and lubrication
The rod’s body shows excessive wear as compared to the diameter of a new rod.
Bulged box or pin.
The thread has cracks or loose material.
Border of pin or box thread is dented or has torn borders.
Presence of leaks when injecting drilling fluid.
Rod has very deformed thread pattern
Box with brandsdeep grip.
Presence of leaks when injecting drilling fluid.
Identification of rods that must be removed
Dented rod bodymay cause core barrel entrapment.
• Threads should be greased to prevent rust.• Do not remove this grease when you use the rod for the first time, unless it is contaminated.• Whenever rods are used, clean and lubricate the threads with a 1 ½ to 2 inch brush.• Do not use too much lubricant. Use enough grease to ensure covering thread surfaces• For maximum performance and to avoid wear by friction, clean threads with grease.• If the thread has signs of pollution signs, clean it and dry it before applying a new grease layer.• Keep the brush and grease clean.
DIAMANTINA CHRISTENSEN 4 DRILL RODS & CASING
Preparation for transport
Storage
Destructive Tests
Drilling depth
• Always clean and grease threads of rods’ male and female ends before storing them.• Store the rods horizontally on at least three transverse supports at no less than 12 inches (30 cm) from the ground to keep rods away from moisture and dust. • Always place proper protection on threaded ends.
MAXIMUM TORQUE STRENGTH MAXIMUM TENSILE STRENGTH
-
2.000
4.000
6.000
8.000
10.000
12.000
14.000
lbf*ft
NMOHO
HMO
-
20.000
40.000
60.000
80.000
100.000
120.000
140.000
160.000
lbf
NONMO
HOHMO
+ 47%
+ 52%
+ 23%
+ 22%
NO
• Load rods on three transverse supports and tie them with a chain on end supports.• Place plastic protection on threaded ends.
DIAMANTINA CHRISTENSEN 5 DRILL RODS & CASING
TECHNICAL SPECIFICATIONS
Thread 3 TPI (Threads per inch)
Thread hardness Hardening and Tempering
Performance HEAVY DUTY (BMO) Performance STANDARD (BO)
Joint tensile strength 97.500 lbf (+22%)*
(+47%)*
44.224 kgf 80.000 lbf 36.287 kgf
Threaded joint torque strength 6.100 lbf*ft 842 kgf*mt 4.150 lbf*ft 573 kgf*mt
52 kg
Outer Diameter
“3-Meter Useful Long” Rod Weight
Inner Diameter 46,00 mm
2 inch.
40,2 lb 18,2 kg
55,60 mm
1 inch.1316 46,00 mm
2 inch.
40,2 lb 18,2 kg
55,60 mm
1 inch.1316
Raw Material Seamless precision pipe, cold process ASTM A519 steel high alloy
690 Mpa (100.000 PSI)
Tensile strength (Pipe) 813 Mpa (118.000 PSI)
Linearity (Pipe/Thread) 1 mm x 3 Meters (Max.)
19 Unit Rod Bundle
Hexagonal Steel Cap
Heat Treatment
Thread Treatment
Both ends are heat treated (Hardening and Tempering), pre-threading (4” to 6” approx.)
Pin End / Applying phosphate coating that reduces friction and improvesgrease retention screw.
Box End / Protective oil application prevents rust.
Size and Weight BMO (HEAVY DUTY)Imperial Metric Imperial Metric
BO
316
316
B
Mechanical Properties
Thread Specifications
Heat Treatment and Thread Protection (HEAVY DUTY)
Packing
Thread Profile
(*) Increased tensile and torque
Yield Strength (Pipe)
DIAMANTINA CHRISTENSEN 6 DRILL RODS & CASING
Performance HEAVY DUTY (NMO) Performance (NO)
105.000 lbf 47.927 kgf
5.500 lbf*ft 760 kgf*mt
60,3 mm
2 ¾ inch.
50,5 lb 22,9 kg
69,9 mm
2 inch.3 8
2 ¾ inch.
50,5 lb 22,9 kg
60,3 mm
69,9 mm
2 inch.3 8
N
128.000 lbf (+22%)*
(+47%)*
58.054 kgf
8.100 lbf*ft 1.120 kgf*mt
TECHNICAL SPECIFICATIONS
52 kg
Size and Weight NMO (HEAVY DUTY)Imperial Metric Imperial Metric
NO
Mechanical Properties
Thread Specifications
19 Unit Rod Bundle
Hexagonal Steel Cap
Heat Treatment
Thread Treatment
Both ends are heat treated (Hardening and Tempering), pre-threading (4” to 6” approx.)
Pin End / Applying phosphate coating that reduces friction and improvesgrease retention screw.
Box End / Protective oil application prevents rust.
Heat Treatment and Thread Protection (HEAVY DUTY)
Packing
ThreadThread hardness
Joint tensile strength
Threaded joint torque strength
Outer Diameter
“3-Meter Useful Long” Rod Weight
Inner Diameter
Tensile strength (Pipe)
Linearity (Pipe/Thread)
Thread Profile
690 Mpa (100.000 PSI)
813 Mpa (118.000 PSI)
1 mm x 3 Meters (Max.)
3 TPI (Threads per inch)
Hardening and Tempering
(*) Increased tensile and torque
Raw Material
Yield Strength (Pipe)
Seamless precision pipe, cold process ASTM A519 steel high alloy
DIAMANTINA CHRISTENSEN 7 DRILL RODS & CASING
H
52 kg
3 ½ inch. 88,9 mm
75,4 lb 34,2 kg
3 inch. 77,8 mm1 16
Performance HEAVY DUTY (HMO) Performance (HO)
130.000 lbf 58.967 kgf
8.100 lbf*ft 1.120 kgf*mt
3 inch.
3 ½ inch. 88,9 mm
75,4 lb 34,2 kg
77,8 mm1 16
160.000 lbf (+23%)*
(+52%)*
72.574 kgf
12.300 lbf*ft 1.700 kgf*mt
TECHNICAL SPECIFICATIONS
52 kg
Size and Weight HMO (HEAVY DUTY)Imperial Metric Imperial Metric
HO
Mechanical Properties
Thread Specifications
19 Unit Rod Bundle
Hexagonal Steel Cap
Heat Treatment
Thread Treatment
Both ends are heat treated (Hardening and Tempering), pre-threading (4” to 6” approx.)
Pin End / Applying phosphate coating that reduces friction and improvesgrease retention screw.
Box End / Protective oil application prevents rust.
Heat Treatment and Thread Protection (HEAVY DUTY)
Packing
ThreadThread hardness
Joint tensile strength
Threaded joint torque strength
Outer Diameter
“3-Meter Useful Long” Rod Weight
Inner Diameter
Tensile strength (Pipe)
Linearity (Pipe/Thread)
Thread Profile
690 Mpa (100.000 PSI)
813 Mpa (118.000 PSI)
1 mm x 3 Meters (Max.)
3 TPI (Threads per inch)
Hardening and Tempering
(*) Increased tensile and torque
Raw Material
Yield Strength (Pipe)
Seamless precision pipe, cold process ASTM A519 steel high alloy
DIAMANTINA CHRISTENSEN 8 DRILL RODS & CASING
2,5 TPI (Threads per inch)
Hardening and Tempering
P
4 ½ pulg.
4 pulg.
104 lb
114,3 mm
101,6 mm
52 kg
Raw Material
Yield Strength (Pipe)
Tensile strength (Pipe)
Seamless precision pipe, cold process ASTM A519 steel high alloy
Minimun 690 Mpa (100.000 PSI)
Minimun 813 Mpa (118.000 PSI)
Dureza de la Rosca
52 kg
Heat Treatment
Thread TreatmentPin End / Applying phosphate coating that reduces friction and improvesgrease retention screw.
Box End / Protective oil application prevents rust.
Both ends are heat treated (Hardening and Tempering), pre-thread (4” to 6” approx.)
Size and Weight DimensionsImperial Metric
Linearity (Pipe/Thread) 1 mm x 3 Meters (Max.)
Rosca
Mechanical Properties
Thread Specifications
Heat Treatment and Thread Protection (HEAVY DUTY)
Packing
TECHNICAL SPECIFICATIONS
Outer Diameter
“3-Meter Useful Long” Rod Weight
Inner Diameter
7 Unit Rod Bundle
Hexagonal Steel Cap
DIAMANTINA CHRISTENSEN 9 DRILL RODS & CASING
CASING HWT
4 ½ inch
4 inch
104 lb
114,3 mm
101,6 mm
52 kg
Materia Prima
Limite elástico (Tubo)
Resistencia de tracción (Tubo)
Seamless precision pipe, hot roller ASTM A519 steel high alloy
Minimo 690 Mpa (100.000 PSI)
Minimo 813 Mpa (118.000 PSI)
Dureza de la Rosca
52 kg
Full body heat treatment (Hardening and Tempering).
Linealidad (Tubo/Rosca) 1 mm x 3 Metros (Max.)
Rosca 2,5 TPI (Hilos por pulgada)
Tratamiento Térmico Templey Revenido
TECHNICAL SPECIFICATIONS
Outer Diameter
“3-Meter Useful Long” Rod Weight
Inner Diameter
7 Unit Rod Bundle
Hexagonal Steel Cap
Pin End / Applying phosphate coating that reduces friction and improvesgrease retention screw.
Box End / Protective oil application prevents rust.
Heat Treatment
Thread Treatment
Size and Weight Dimensions
Mechanical Properties
Thread Specifications
Heat Treatment and Thread Protection (HEAVY DUTY)
Packing
DIAMANTINA CHRISTENSEN 10 DRILL RODS & CASING
Strict raw material control at reception to assure the use of materials that conform to our specifications. These controls check mechanical properties and chemical composition of our standard.
Metal microstructure control using metallographic analysis.
NDT (non-destructive testing) applied to 100% of production to guarantee a crack and fissure-free product.
Dimensional and geometrical inspection of threads with certified patterns.
QUALITY CONTROLS /ASTM Test
0UR PRODUCTS
DIAMOND PRODUCTS
CORER BARRELS
INJECTION HEADS
REVERSE AIR BARS AND ACCESSORIES
SOIL ASSESSMENT ACCESSORIES AND TOOLS
ACCESSORIES AND SPECIAL TOOL DESIGN / MANUFACTURING
SPARE PARTS AND ACCESSORIES FOR MACHINES
DIAMANTINA CHRISTENSEN 11 DRILL RODS & CASING
Lo Campino 432 / Quilicura / Santiago / Chile +56 (2) 2620 7808
Av. Santa Ana 180 / Ate Vitarte / Lima - Perú +51 (1) 326 0494
www.diamantinachristensen.com
REV.
MAR
.201
6