SELECTIVELY FIRED, TUBING-CONVEYED PERFORATING GUNS SAVE RIG TIME

Phillip M. Snider Marathon Oil Co. Houston Patrick L. Bond Halliburton Energy Services Dallas Selective firing of tubing-conveyed perforating (TCP) guns during drill stem tests (DSTs) added flexibility and saved costs for Marathon Oil Co. As an example, in the Garland field in Wyoming, the guns allowed perforating multiple zones in one trip. This saved 1 1/2-2 days/well in rig time and $23,000-30,000/well in electric wire line and DST tool charges. For international offshore operations,

Jul 19th, 1993
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