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Title: Subsurface drill string

Abstract

A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square threads, the male end having a non-threaded extension portion coaxial with the threaded portion, and the male end further having a bearing surface, the female end having a female threaded portion having corresponding female threads, the female end having a non-threaded extension portion coaxial with the female threaded portion, and the female end having a bearing surface. Installation methods, including methods of installing instrumented probes are also provided.

Inventors:
 [1];  [2];  [2];  [2];  [2]
  1. Rigby, ID
  2. Idaho Falls, ID
Issue Date:
Research Org.:
Idaho National Lab. (INL), Idaho Falls, ID (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
985416
Patent Number(s):
7431348
Application Number:
11/621,448
Assignee:
Battelle Energy Alliance, LLC (Idaho Falls, ID)
Patent Classifications (CPCs):
F - MECHANICAL ENGINEERING F16 - ENGINEERING ELEMENTS AND UNITS F16L - PIPES
E - FIXED CONSTRUCTIONS E21 - EARTH DRILLING E21B - EARTH DRILLING, e.g. DEEP DRILLING
DOE Contract Number:  
AC07-99ID13727; AC07-05ID14517
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Casper, William L, Clark, Don T, Grover, Blair K, Mathewson, Rodney O, and Seymour, Craig A. Subsurface drill string. United States: N. p., 2008. Web.
Casper, William L, Clark, Don T, Grover, Blair K, Mathewson, Rodney O, & Seymour, Craig A. Subsurface drill string. United States.
Casper, William L, Clark, Don T, Grover, Blair K, Mathewson, Rodney O, and Seymour, Craig A. Tue . "Subsurface drill string". United States. https://www.osti.gov/servlets/purl/985416.
@article{osti_985416,
title = {Subsurface drill string},
author = {Casper, William L and Clark, Don T and Grover, Blair K and Mathewson, Rodney O and Seymour, Craig A},
abstractNote = {A drill string comprises a first drill string member having a male end; and a second drill string member having a female end configured to be joined to the male end of the first drill string member, the male end having a threaded portion including generally square threads, the male end having a non-threaded extension portion coaxial with the threaded portion, and the male end further having a bearing surface, the female end having a female threaded portion having corresponding female threads, the female end having a non-threaded extension portion coaxial with the female threaded portion, and the female end having a bearing surface. Installation methods, including methods of installing instrumented probes are also provided.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2008},
month = {10}
}

Patent:

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