Oil companies underscore importance of geodetic positioning

Martin Rayson Quality Engineering & Survey Technology Ltd. Newcastle, U.K. Equations [4,478 bytes] Table 1 [5,471 bytes] Table 2 [3,040 bytes] Table 5 [5,386 bytes] Positioning errors can be introduced from a variety of geodetic sources, dramatically influencing the success of a drilling program. An incorrectly spotted well location can result in drilling on the other side of a lease line or lead to a dry hole ( Fig. 1 [36,344 bytes]). Today, positioning relies heavily on satellite navigation technology. Although satellite-positioning technologies offer significant benefits over terrestrial counterparts, its use introduces additional geodetic parameters...

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