Lateral drilling method

a drilling method and lateral drilling technology, applied in the direction of directional drilling, wellbore/well accessories, sealing/packing, etc., can solve the problems of prior art tools, difficulty in advancing the bit, and creating additional challenges
US20180163495A1Inactive Publication Date: 2018-06-14IMPULSE DOWNHOLE SOLUTIONS LTD
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Patent Information

Authority / Receiving Office
US Β· United States
Patent Type
Applications(United States)
Current Assignee / Owner
IMPULSE DOWNHOLE SOLUTIONS LTD
Publication Date
2018-06-14
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

An improved method of drilling a substantially lateral section of a wellbore is provided. A first segment of a drilling string with a bottom hole assembly is extended into a wellbore. At determined intervals of the drilling string, a plurality of friction reduction segments are connected as the wellbore is drilled and the drilling string is extended into the wellbore. The friction reduction segments comprise a friction reduction tool and corresponding activation tool for activating the friction reduction tool. The activation tool selectively diverts drilling fluid into a motor powering the friction reduction tool or away from the motor, and can be a ball catch assembly that is activated when a suitably sized projectile is seated in the assembly. Multiple friction reduction segments can be connected to the drilling string and one or more of the plurality of segments can be activated.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is a continuation of International Application No. PCT / CA2016 / 050794, filed on Jul. 7, 2016, which claims priority to United States Provisional. Applications Nos. 62 / 205,655, filed on Aug. 14, 2015; 62 / 207,679, filed on Aug. 20, 2015; and 62 / 220,859, filed on Sep. 18, 2015, the entireties of all of which are incorporated herein by reference.TECHNICAL FIELD

[0002] The present disclosure relates to drilling horizontal or lateral wellbores, and in particular drilling string assemblies and methods for horizontal or lateral drilling.TECHNICAL BACKGROUND

[0003] It is generally understood that there is a strong correlation between increased lateral length and increased initial production rates in a horizontal well. Accordingly, the development of horizontal well drilling in shale formations has pushed lateral lengths of horizontal wellbores to exceed 10,000 feet, with total measured distances of 20,000 feet.

[0004] Limiting factors in...

Claims

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