|국가/구분||United States(US) Patent 등록|
|국제특허분류(IPC7판)||E21B-043/22 C09K-008/68 E21B-043/16|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 0 인용 특허 : 4|
A slick water fracturing fluid including a brine, an inorganic nitrate, a nitrogen reducing bacteria, a scale inhibitor selected from the group consisting of a polyacrylate polymer, a polyacrylate copolymer, a polyacrylate terpolymer, and mixtures thereof, and a friction reducer, wherein the friction reducer is a polyacrylamide.
1. A method of controlling sulfides in a low permeability subterranean formation, comprising: injecting an inorganic nitrate into the low permeability subterranean formation; andinjecting nitrogen reducing bacteria into the low permeability subterranean formation. 2. The method of claim 1 wherein the nitrogen reducing bacteria is selected from the group consisting of Campylobacter sp. Nitrobacter sp., Nitrosomonas sp., Thiomicrospira sp., Sulfurospirillum sp., Thauera sp., Paracoccus sp., Pseudomonas sp., Rhodobacter sp., Desulfovibrio sp., and mixtures ...