Invention Grant
US07825071B2 Highly branched polymeric materials as surfactants for oil-based muds
有权
高支化聚合物材料作为油基泥浆的表面活性剂
- Patent Title: Highly branched polymeric materials as surfactants for oil-based muds
- Patent Title (中): 高支化聚合物材料作为油基泥浆的表面活性剂
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Application No.: US11765895Application Date: 2007-06-20
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Publication No.: US07825071B2Publication Date: 2010-11-02
- Inventor: David Antony Ballard
- Applicant: David Antony Ballard
- Applicant Address: US TX Houston
- Assignee: M-I L.L.C.
- Current Assignee: M-I L.L.C.
- Current Assignee Address: US TX Houston
- Agency: Osha • Liang LLP
- Main IPC: C09K8/02
- IPC: C09K8/02 ; C09K8/60 ; C09K8/512 ; E21B21/00
Abstract:
A wellbore fluid that includes an oleaginous continuous phase; a non-oleaginous phase; and a modified polyesteramide surfactant; methods of formulating such wellbore fluid; and methods of drilling a subterranean formation with such wellbore fluid are disclosed.
Public/Granted literature
- US20070293401A1 HIGHLY BRANCHED POLYMERIC MATERIALS AS SURFACTANTS FOR OIL-BASED MUDS Public/Granted day:2007-12-20
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