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Directional Survey Handbook BPA-D-004

September 1999 Issue 1 Technical Integrity 6-17

G)7"$""+."

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+. $

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BPA-D-004 Directional Survey Handbook

6-18 Technical Integrity September 1999 Issue 1

G ) +.

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G+.

'%#**' 9 R%

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BP Amoco

Directional Survey Handbook BPA-D-004

September 1999 Issue 1 Technical Integrity 6-19

(05--D1$#D (

#+.7

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BPA-D-004 Directional Survey Handbook

6-20 Technical Integrity September 1999 Issue 1

1 '

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Directional Survey Handbook BPA-D-004

September 1999 Issue 1 Technical Integrity 6-21

77506+=75""

Certain rules (such as not crossing anti-collision tolerancelines and following JORPs) are inflexible.

1 +.

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When in doubt, re-survey.65"7"&""#'"8+5"'# $ )*$

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BPA-D-004 Directional Survey Handbook

6-22 Technical Integrity September 1999 Issue 1

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Appendix Ccontains a

Non-ConformanceReport form suitable

for this

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BP Amoco

Directional Survey Handbook BPA-D-004

September 1999 Issue 1 Technical Integrity 6-23

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Survey datacomparisons are

discussed inSection 4.10

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BPA-D-004 Directional Survey Handbook

6-24 Technical Integrity September 1999 Issue 1

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unvalidated survey data should never be loaded on the

definitive directional database

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