(12) United States Patent

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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

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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.

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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”