Title:
TEST DART SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO/2019/036732
Kind Code:
A3
Abstract:
Embodiments of the present disclosure include a test dart for wellbore pressure isolation. The test dart includes a body extending from a first end to a second end, the body having a bore extending therethrough, a diameter of the bore being greater at a first end than the second end. The test dart also includes a groove formed proximate the first end and extending radially outward from the bore and into the body. Additionally, the test dart includes an anti-rotation pin positioned between the groove and the second end, the anti-rotation pin extending radially outward from the body. The test dart further includes a check valve positioned in the bore, the check valve enabling flow in a single direction and being moveable between an open position to enable the flow and a closed position to block the flow.
Inventors:
GARNER DETRICK DEYON (US)
OLVERA ALFRED (US)
BORAK EUGENE (US)
ARMISTEAD JASON (US)
CHENG SAMUEL (US)
WARNER JOHN (US)
BURCHAM NATHAN (US)
OLVERA ALFRED (US)
BORAK EUGENE (US)
ARMISTEAD JASON (US)
CHENG SAMUEL (US)
WARNER JOHN (US)
BURCHAM NATHAN (US)
Application Number:
PCT/US2018/054184
Publication Date:
April 11, 2019
Filing Date:
October 03, 2018
Export Citation:
Assignee:
GE OIL & GAS PRESSURE CONTROL LP (US)
International Classes:
E21B23/01; E21B34/02
Domestic Patent References:
| WO2014070418A2 | 2014-05-08 |
Foreign References:
| US20110011575A1 | 2011-01-20 | |||
| US8539976B1 | 2013-09-24 | |||
| US20160312576A1 | 2016-10-27 | |||
| US5941311A | 1999-08-24 |
Attorney, Agent or Firm:
POLLANDER, Laura L. et al. (US)
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