Inventor · disambiguated record
Douglas Brian Farley
Also filed as: FARLEY DOUGLAS · FARLEY DOUGLAS B · FARLEY DOUGLAS BRIAN
17 granted patents·1 pending application·41 citations·filing 2014–2024
90Inventor score
Technology areasE21B
Top patents by PatentIndex Score
18 records- 0193US11047202B2Top plug with transitionable sealWEATHERFORD NETHERLANDS B V·Filed 2020·Granted Jun 29, 2021·5 cites·21 claims
- 0292US10648272B2Casing floatation system with latch-in-plugsWEATHERFORD NETHERLANDS B V·Filed 2016·Granted May 12, 2020·13 cites·19 claims
- 0389US10954740B2Top plug with transitionable sealWEATHERFORD NETHERLANDS B V·Filed 2016·Granted Mar 23, 2021·7 cites·26 claims
- 0482US9970258B2Remotely operated stage cementing methods for liner drilling installationsWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted May 15, 2018·7 cites·25 claims
- 0579US10760355B2Float shoe having concrete filled, eccentric nose with jetsWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Sep 1, 2020·3 cites·19 claims
- 0678US9797220B2Tieback cementing plug systemWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Oct 24, 2017·3 cites·19 claims
- 0770US10961815B2Apparatus and method for wet shoe applicationsWEATHERFORD TECH HOLDINGS LLC·Filed 2019·Granted Mar 30, 2021·2 cites·20 claims
- 0869US10774613B2Tieback cementing plug systemWEATHERFORD TECH HOLDINGS LLC·Filed 2018·Granted Sep 15, 2020·1 cites·19 claims
- 0959US12270262B2Float equipment for use with composite casing or liner stringDOWNHOLE PRODUCTS LTD·Filed 2023·Granted Apr 8, 2025·0 cites·7 claims
- 1057US12286845B2Slimline stop collar with seal to prevent micro-annulus leakageDOWNHOLE PRODUCTS LTD·Filed 2023·Granted Apr 29, 2025·0 cites·9 claims
- 1156US12392219B2Ball deflector for float collarDOWNHOLE PRODUCTS LTD·Filed 2024·Granted Aug 19, 2025·0 cites·12 claims
- 1254US12312879B2Rasping shoe for non-rotational deployment of casing stringDOWNHOLE PRODUCTS LTD·Filed 2023·Granted May 27, 2025·0 cites·13 claims
- 1352US12305452B2Centralizer having internal stop collarDOWNHOLE PRODUCTS LTD·Filed 2024·Granted May 20, 2025·0 cites·12 claims
- 1452US2018045018A1Tieback cementing plug systemWEATHERFORD TECH HOLDINGS LLC·Filed 2017·Application pending·0 cites
- 1546US10808498B2Methods and apparatus related to an expandable port collarWEATHERFORD TECH HOLDINGS LLC·Filed 2014·Granted Oct 20, 2020·0 cites·22 claims
- 1640US11840905B2Stage toolWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Dec 12, 2023·0 cites·19 claims
- 1736US9915105B2Swivel and method of useWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Mar 13, 2018·0 cites·8 claims
- 1833US9714558B2Open hole expandable junctionWEATHERFORD TECH HOLDINGS LLC·Filed 2015·Granted Jul 25, 2017·0 cites·20 claims
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