Title:
METHODS AND SYSTEMS FOR WIPING SURFACES WHEN PERFORMING SUBTERRANEAN OPERATIONS
Document Type and Number:
WIPO Patent Application WO/2013/123040
Kind Code:
A3
Abstract:
Improved darts and methods of using these darts in subterranean wells are disclosed. The improved dart (lOO)comprises a foam portion (102) and a rubber portion (104) coupled to the foam portion. A dart nose (106) is coupled to at least one of the foam portion and the rubber portion. The foam portion and the rubber portion are configured to interface with an inner surface of at least one of a well bore wall, a pipe, and a casing string.
More Like This:
| WO/1995/035172 | TIRE STUDDED PIPE PIG |
| WO/2016/160437 | APPARATUS FOR REMOVING SOLIDS FROM TRUNK SEWERS |
| JP5801036 | How to clean the pipeline |
Inventors:
MAKOWIECKI GARY J (US)
CHERNEY PATRICK L (US)
CHERNEY PATRICK L (US)
Application Number:
PCT/US2013/025924
Publication Date:
April 03, 2014
Filing Date:
February 13, 2013
Export Citation:
Assignee:
HALLIBURTON ENERGY SERV INC (US)
International Classes:
B08B9/055; E21B33/16
Foreign References:
| US3879790A | 1975-04-29 | |||
| DE102010005661A1 | 2011-07-28 | |||
| US3403418A | 1968-10-01 | |||
| US4389461A | 1983-06-21 | |||
| US5113544A | 1992-05-19 | |||
| US7673688B1 | 2010-03-09 |
Attorney, Agent or Firm:
JACOBSON, Michelle (910 Louisiana StreetHouston, TX, US)
Download PDF: