Mechanized slot drilling

a slot drilling and slot technology, applied in the direction of shaft sinking, shaft equipment, borehole/well accessories, etc., can solve the problem of limited net energy that can be transmitted to the cutting formation, and achieve the effect of maximizing rotation, enhancing or replacing, and rapid creation of slot volum
US20150096806A1Inactive Publication Date: 2015-04-09SHELL OIL CO
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Patent Information

Authority / Receiving Office
US · United States
Patent Type
Applications(United States)
Current Assignee / Owner
SHELL OIL CO
Publication Date
2015-04-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

A system and method are provided for providing access to surfaces within a formation is provided, the method including: providing a wellbore from a first surface location to a second surface location; inserting into the wellbore a cylindrical cutting assembly connected to at least two wellbore tubulars, one of the wellbore tubular extending to each of the first surface location and the second surface location; and rotating the radial cylindrical cutting element.
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Description

RELATED APPLICATIONS

[0001] This application claims the benefit of U.S. Provisional Application No. 61 / 866,400 filed Aug. 15, 2013, which is incorporated herein by reference.FIELD OF THE INVENTION

[0002] The inventions relates to systems and methods for providing plane opening in formations.BACKGROUND TO THE INVENTION

[0003] Considerable amounts of natural gas have been found to be producible from formations such as source rocks, shale, and other low porosity and permeability formations by drilling long horizontal wells and stimulating the wells with multiple propped fractures so that a large volume of formation within a short distance of the well is connected to the wellbore. Hydrocarbons trapped in such formations then migrate toward the volume connected to the wellbore at rates that can result in economic production of the hydrocarbons from formations that were previously considered to be uneconomic to produce. Although fracturing of the formations can result in profitable production, ...

Claims

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