Invention Grant
- Patent Title: Methods of propping created fractures and microfractures in tight formation
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Application No.: US15751779Application Date: 2015-10-29
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Publication No.: US11255176B2Publication Date: 2022-02-22
- Inventor: Philip D. Nguyen , Ronald Glen Dusterhoft , Dipti Singh
- Applicant: Halliburton Energy Services, Inc.
- Applicant Address: US TX Houston
- Assignee: Halliburton Energy Services, Inc.
- Current Assignee: Halliburton Energy Services, Inc.
- Current Assignee Address: US TX Houston
- Agency: McGuireWoods LLP
- International Application: PCT/US2015/058129 WO 20151029
- International Announcement: WO2017/074400 WO 20170504
- Main IPC: E21B43/267
- IPC: E21B43/267 ; C09K8/80 ; C09K8/68 ; C09K8/66

Abstract:
A method of propping created fractures and microfractures in tight formation. The method includes injecting into a wellbore a first pad fluid stage; injecting into the wellbore a second pad fluid stage; injecting into the wellbore a diverting agent; and injecting into the wellbore a main proppant slurry stage; wherein the first pad fluid stage includes an aqueous-based fluid at a rate above the fracturing gradient to create a fracture, wherein the second pad fluid stage includes an aqueous-based fluid and a low concentration of a proppant mixture including a slurry of small proppant materials and/or a slurry of conventional proppant materials to extend the fracture and open up secondary induced fractures, and wherein the main proppant slurry stage includes an aqueous-based fluid and a proppant with a larger size than the small proppant particles in the second pad fluid stage.
Public/Granted literature
- US20180238159A1 METHODS OF PROPPING CREATED FRACTURES AND MICROFRACTURES IN TIGHT FORMATION Public/Granted day:2018-08-23
Information query
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