Invention Grant
US08096360B2 Alkaline β-mannanase containing compositions useful for the hydrolysis of guar in high pH environments and methods related thereto
有权
含有碱性和β-甘露聚糖酶的组合物，其可用于在高pH环境中水解瓜尔胶及其相关方法
- Patent Title: Alkaline β-mannanase containing compositions useful for the hydrolysis of guar in high pH environments and methods related thereto
- Patent Title (中): 含有碱性和β-甘露聚糖酶的组合物，其可用于在高pH环境中水解瓜尔胶及其相关方法
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Application No.: US12275951Application Date: 2008-11-21
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Publication No.: US08096360B2Publication Date: 2012-01-17
- Inventor: Charles David Armstrong
- Applicant: Charles David Armstrong
- Applicant Address: US TX Houston
- Assignee: Baker Hughes Incorporated
- Current Assignee: Baker Hughes Incorporated
- Current Assignee Address: US TX Houston
- Agency: Jones & Smith, LLP
- Agent John Wilson Jones
- Main IPC: E21B43/26
- IPC: E21B43/26 ; C09K8/68
Abstract:
Methods and compositions of fracturing formations are provided. The fracturing fluid includes an enzyme breaker that decreases the viscosity of the fracturing fluid over time. The enzyme breaker can be used in environments having a pH value ranging from about 7 to about 12.
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