LARGE-DIAMETER COILED TUBING COMPLETIONS DECREASE RISK OF FORMATION DAMAGE

Vance Norton Amoco Production Co. Oklahoma City Fred Edens Amoco Production Co. Countyline, Okla. Glenn Coker Amoco Corp. Naperville, Ill. George King Amoco Production Co. Tulsa Amoco Production Co. has used large-diameter coiled tubing strings to avoid damaging gas wells with kill fluids. The coiled tubing is stripped in the gas well under pressure. In Amoco's case, the gas flows up the tubing/casing annulus. The coiled tubing string provides a way to blow down the well whenever the well

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