New technique eliminates high-density completion fluids ///

Several oil and gas companies operating in the Gulf of Mexico are using a new, patented completion technique which eliminates the need for high-density completion fluids. Concerns about the loss of productivity sustained with losses of high-density brines have been substantiated in recent technical presentations.1,2 The high cost of these fluids, coupled with formation damage, led to development of the new technique. The procedure is applicable for deepwater-well completions by eliminating the need for high-density completion fluids. The technique also reduces, or eliminates, need for a drilling or workover rig during completion.3 Actual cost savings are included in this article. Most of the wells in the case histories are located in the Gulf of Mexico, where cost reductions have been significant. Most of the wells were frac packed, which has become the primary completion procedure along the Gulf Coast, where production of formation sand is a consideration.4 Two of the wells are producing over 20 MMcfd.

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