Sep 13, 2012 - Billy Wilson McDaniel, Duncan, OK. (US); Mohamed Y. ... 7,487,834 B2* 2/2009 Reed et a1. .................. .. 166/ ... 1/1995 Reid. 2004/0206505 A1 ...
US008528643B2
(12) United States Patent
(10) Patent N0.: (45) Date of Patent:
Schultz et al.
(54)
(56)
WELLBORE LASER OPERATIONS
U.S. PATENT DOCUMENTS
Loyd E. East, Houston, TX (US); Harold G. Walters, Duncan, OK (US); Billy Wilson McDaniel, Duncan, OK (US); Mohamed Y. Soliman, Cypress, TX (US); Neal Gregory Skinner, Lewisville, TX (US)
2,363,269 A *
3,461,964 A 3,493,060 A
(73) Assignee: Halliburton Energy Services, Inc.,
11/1944
Schlumberger ............. .. 166/288
8/1969 Venghiattis 2/1970 Van Dyk
3,572,438 A *
3/1971
Rohe ........................... .. 166/285
3,693,718 3,871,485 3,882,945 3,960,448 3,977,478
9/1972 3/1975 5/1975 6/1976 8/1976
Stout Keenan, Jr. Keenan, Jr. Schmidt et al. Shuck
Houston, TX (US) Notice:
Sep. 10, 2013
References Cited
(75) Inventors: Roger L. Schultz, Ninnekah, OK (US);
(*)
US 8,528,643 B2
A A A A A
(Continued)
Subject to any disclaimer, the term of this patent is extended or adjusted under 35
U.S.C. 154(b) by 0 days.
FOREIGN PATENT DOCUMENTS EP JP
0 950 170 B1 09072738 A
9/2002 3/1997
(Continued)
(21) Appl. No.: 13/614,556
OTHER PUBLICATIONS
(22) Filed:
Sep. 13, 2012
(65)
Brian C. Gahan, et al., “Laser Drilling: Determination of Energy Required to Remove Rock,” SPE 71466, Society of Petroleum Engi
Prior Publication Data
US 2013/0008656 A1
neers, copyright 2001, pp. 1-1 1.
Jan. 10,2013
(Continued) Related U.S. Application Data
(63) (60)
Continuation of application No. 12/825,906, ?led on Jun. 29, 2010, now Pat. No. 8,464,794. Provisional application No. 61/221,418, ?led on Jun.
Primary Examiner * Jennifer H Gay
(74) Attorney, Agent, or Firm * John W. Wustenberg; Fish & Richardson PC.
29, 2009.
(57) (51)
Int. Cl.
E21B 43/11 E21B 43/119 E21B 7/14
(52)
Methods, systems, and devices related to downhole wellbore operations such as drilling and completing wells in an earth
(2006.01) (2006.01) (2006.01)
formation include a laser device. For example, a method may
include characterizing a subterranean formation, selecting an
U.S. Cl. USPC ....... .. 166/297; 166/55.1;166/250.1; 175/11;
175/ 15
(58)
ABSTRACT
Field of Classi?cation Search
orientation of an aperture based on characteristics of the subterranean formation, and using a laser to form an aperture
of the selected orientation in the wall of the wellbore.
USPC ......................... .. 166/297, 250.1; 175/11, 15
See application ?le for complete search history.
10\ 22
{Q/%%1L
11 Claims, 15 Drawing Sheets
216
US 8,528,643 B2 Page2 References Cited
7,062,420 B2”