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Limited entry phased perforating gun system and method

A perforating gun and perforating technology, applied in the field of perforating guns, can solve problems such as unsafe spray gun pressure

Active Publication Date: 2016-12-21
GEODYNAMICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0032] While some of the prior art may teach some solutions to several of these problems, the prior art does not address the core problem of dealing with unsafe spray gun pressures

Method used

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  • Limited entry phased perforating gun system and method
  • Limited entry phased perforating gun system and method
  • Limited entry phased perforating gun system and method

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Embodiment Construction

[0081] While the invention is susceptible to embodiment in many different forms, there are shown in the drawings and will herein be described a detailed preferred embodiment of the invention, it should be understood that this disclosure is to be considered as exemplary of the principles of the invention and not to It is intended that the broad scope of the invention be limited to the illustrated embodiments.

[0082] The many innovative teachings of the present application will be described with particular reference to the presently preferred embodiments, where these innovative teachings are advantageously applied to the specific problems of flow-restricted phasing perforating gun systems and methods. It should be understood, however, that this embodiment is but one example of many advantageous applications of the innovative teachings herein. In general, statements made in the specification of the present application do not necessarily limit any of the various claimed inventio...

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Abstract

A limited entry phased perforating gun system and method for accurate perforation in a deviated / horizontal wellbore is disclosed. The system / method includes a gun string assembly (GSA) deployed in a wellbore with shaped charge clusters. The charges are spaced and angled such that, when perforated, they intersect at a preferred fracturing plane. Upon fracturing, the fractures initiate at least principal stress location in a preferred fracturing plane perpendicular to the wellbore from an upward and downward location of the wellbore. Thereafter, the fractures connect radially about the wellbore in the preferred fracturing plane. The fracture treatment in the preferred fracturing plane creates minimal tortuosity paths for longer extension of fractures that enables efficient oil and gas flow rates during production.

Description

[0001] Cross References to Related Applications [0002] This application is a continuation-in-part and claims priority to U.S. Continuation-in-Part Application Serial No. 14 / 598,868, entitled "LIMITED ENTRY PHASED PERFORATING GUN SYSTEM ANDMETHOD," filed January 16, 2015, and filed on Continuation-in-Part of U.S. Nonprovisional Patent Application Serial No. 14 / 176,056, filed February 8, 2014, entitled "LIMITED ENTRY PHASEDPERFORATING GUN SYSTEM AND METHOD," the entire contents of which applications are incorporated herein by way of example. [0003] Partial Disclaimer of Copyright [0004] All material in this patent application is protected by copyright under the copyright laws of the United States and other countries. This material is protected as unpublished material as of the first effective filing date of this application. [0005] However, reproduction of this material, as it appears in the patent files or records of the USPTO, is hereby permitted provided that the copy...

Claims

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Application Information

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IPC IPC(8): E21B43/117E21B43/119
CPCE21B43/117E21B43/119E21B43/11
Inventor J·T·哈德斯蒂J·A·罗林斯
Owner GEODYNAMICS