P23 · I.06(d) · Tools · Industrial · Anti-collision
Anti-collision — wellbore position accuracy
From empirical spacing to quantified position uncertainty: named methods, ISCWSA error models, the Industry Separation Rule, and why XCL keeps uncertainty honest.
YqVpd-AC-1G · rev.1G · 24 August 2026 · François Dorléans · partner comments locked
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Contents
2. Historical evolution of wellbore position accuracy
3. Evolution of named anti-collision methods
4. Remarkable transitions in anti-collision accuracy
5. Reasons for pursuing higher accuracy
6. Link with modern error models and the XCL term
7. Synthesis
8. References
9. Definition of acronyms
Base dossier · DOCX EN rev.1G DOCX FR rév.1G Present · DFKPS I.06 I.06(c) I.06(e)