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Keywords: acidizing
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Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 4–6, 2017
Paper Number: SPE-187525-MS
... & Martin, 2009 ). Polymer viscous diverter ( Mirza & Turton, 1995 ) and viscoelastic gel diverter ( Chang et al., 1999 ) was also introduced to slow down acid penetration into existing wormholes and divert the fluid into other location inside the rock. Maximum pressure differential and injection...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, September 23–25, 2009
Paper Number: SPE-125754-MS
... Niagaran have consisted of mainly hydrochloric acid at concentrations of 15–28%. Most treatments were kept to matrix conditions due to water zones in close proximity. These treatments usually yield marginal results due to the acid being spent mostly near well bore. Gelled, crosslinked or emulsified acid...
Proceedings Papers

Paper presented at the SPE Eastern Regional/AAPG Eastern Section Joint Meeting, October 11–15, 2008
Paper Number: SPE-117251-MS
... Abstract Emulsified acid (30 vol% diesel and 70 vol% HCl acid) has been used in both matrix and acid fracturing treatments. Injection the acid in this form has several advantages including: retard the reaction of the acid with rock, reduce corrosion to well tubulars and minimize acid additives...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 9–11, 1998
Paper Number: SPE-51095-MS
... Arthur Steven Metcalf, SPE, BJ Services Company, U.S.A. Abstract Acid stimulation using coiled tubing conveyance is becoming commonplace; however, protection of these coils from acid corrosion is challenging. Add to this the requirement for usage of materials less damaging to the environment...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 22–24, 1997
Paper Number: SPE-39225-MS
... gas storage well acidizing natural gas storage Upstream Oil & Gas Abstract Acidizing has typically been one of the most popular techniques used for the removal of damage in gas storage wells. Acidizing is often useful for carbonates, but surveys have indicated that as many as 30...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 31–November 2, 1984
Paper Number: SPE-13371-MS
... stimulation result concentration acid reaction packer ammonium chloride flow capacity acidizing acid ammonia acid system heated acid paraffin heating acid solubility upstream oil & gas hcl surfactant acid solution society of petroleum engineers reaction rate precipitate...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 9–11, 1983
Paper Number: SPE-12319-MS
... effectively stimulate these formations. These iron compounds present three major problems: Relatively insoluble iron compounds that may be released by acidizing fluids and have a plugging effect when they migrate; Acid soluble iron compounds that may reprecipitate when the acid spends; and Aerated...

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