Polymer enhanced foam drilling fluid

Details Polymer enhanced foam drilling fluid Polymer enhanced foam drilling fluid

1994-12-27

1996-05-07

Suchfield, George A.

Boring or penetrating the earth

Processes

Boring with specific fluid

175 65, 507102, 507120, 507134, 507135, 507136, E21B 2100, C09K 702, C09K 708

Patent

active

055137121

ABSTRACT:
A process employing a polymer enhanced foam in a wellbore as a drilling fluid during a wellbore drilling operation. The polymer enhanced foam is formed from an uncrosslinked acrylamide polymer, a surfactant, an aqueous solvent, and an added gas.

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Sheffield and Sitzman, "Air Drilling Practices in the Midcontinent and Rocky Mountain Areas", Mar. 6-Aug. 1985. SPE/IADC 13490.
Tufts, "Lost Circulation No Longer a Problem", Canadian Petroleum, pp. 19-21, Aug. 1983.
Ainley, "Development of Foam Fracturing and Cementing Fluids for Use in Tight Gas Sands", AICHE, Summer National Meeting, Aug. 28-31 1983.
"Economics and Technological Advances Promise to Unlock Vast Reserves", Journal of Petroleum Technology, pp. 81-84, Jan. 1982.

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