Inventor
Daniel Jon Themig
Inventor
Calgary, CA
Overview
Patents· 64 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling94%
Y10TTechnical subjects covered by former us classification4%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests1%
PatentTitleYear
10,890,047Wellbore stage tool with redundant closing sleeves202110,822,936Method and apparatus for wellbore fluid treatment202010,753,197Method and system for monitoring well operations202010,704,362Downhole sub with hydraulically actuable sleeve valve202010,487,624Method and apparatus for wellbore fluid treatment201910,273,781Stage tool for wellbore cementing201910,267,126Wellbore lateral liner placement system201910,202,825Method and apparatus for wellbore control201910,087,734Method and apparatus for wellbore fluid treatment201810,053,957Method and apparatus for wellbore fluid treatment201810,030,474Downhole sub with hydraulically actuable sleeve valve20189,970,274Wellbore treatment apparatus and method20189,963,962Method and apparatus for wellbore fluid treatment20189,932,797Plug retainer and method for wellbore fluid treatment20189,920,591'Toe circulation sub'20189,909,392'Wellbore frac tool with inflow control'20189,874,067Sliding sleeve sub and method and apparatus for wellbore fluid treatment20189,856,715'Stage tool for wellbore cementing'20189,797,221'Apparatus and method for fluid treatment of a well'20179,765,595'Wellbore actuators, treatment strings and methods'20179,650,868'Stage tool for wellbore cementing'20179,644,459'Wellbore lateral liner placement system'20179,574,414'Wellbore tool with indexing mechanism and method'20179,464,506'Sliding sleeve valve and method for fluid treating a subterranean formation'20169,404,343'Wireline conveyed apparatus for wellbore fluid treatment'20169,366,109'Kobe sub, wellbore tubing string apparatus and method'20169,366,123'Method and apparatus for wellbore fluid treatment'20169,359,858'Wellbore fluid treatment process and installation'20169,303,501'Method and apparatus for wellbore fluid treatment'20169,297,234'Method and apparatus for wellbore control'20169,228,411'Wellbore packer back-up ring assembly, packer and method'20169,187,994'Wellbore frac tool with inflow control'20159,151,148'Plug retainer and method for wellbore fluid treatment'20159,140,097'Wellbore treatment apparatus and method'20159,121,255'Stage tool for wellbore cementing'20159,097,079'Fracturing port locator and isolation tool'20159,074,451'Method and apparatus for wellbore fluid treatment'20159,010,447'Sliding sleeve sub and method and apparatus for wellbore fluid treatment'20158,950,505'Method and apparatus for setting a wellbore packer'20158,931,565'Delayed opening wellbore tubular port closure'20158,757,273'Downhole sub with hydraulically actuable sleeve valve'20148,746,343'Method and apparatus for wellbore fluid treatment'20148,657,009'Method and apparatus for wellbore fluid treatment'20148,511,394'Wellbore fluid treatment process and installation'20138,397,820'Method and apparatus for wellbore fluid treatment'20138,167,047'Method and apparatus for wellbore fluid treatment'20128,033,331'Cement diffuser for annulus cementing'20117,992,645'Cut release sub and method'20117,861,774'Method and apparatus for wellbore fluid treatment'20117,832,472'Hydraulic open hole packer'20107,798,226'Cement diffuser for annulus cementing'20107,762,333'Hydraulically openable ported sub'20107,748,460'Method and apparatus for wellbore fluid treatment'20107,571,765'Hydraulic open hole packer'20097,543,634'Method and apparatus for wellbore fluid treatment'20097,431,091'Method and apparatus for wellbore fluid treatment'20087,353,878'Apparatus and method for wellbore isolation'20087,134,505'Method and apparatus for wellbore fluid treatment'20067,108,067'Method and apparatus for wellbore fluid treatment'20067,021,384'Apparatus and method for wellbore isolation'20066,907,936'Method and apparatus for wellbore fluid treatment'20056,244,340'Self-locating reentry system for downhole well completions'20015,117,913'Chemical injection system for downhole treating'19924,942,925'Liner isolation and well completion system'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–1992Based in Oklahoma City, OK, US· patent location history
2001–2013Based in Cochrane, CA· patent location history
2005–2010Patents assigned to PACKERS PLUS ENERGY SERVICES I (10)· patent assignee history
2006–2021Based in Calgary, CA· patent location history
2011–2021Patents assigned to PACKERS PLUS ENERGY SERV INC (48)· patent assignee history
2012–2018Patents assigned to THEMIG DANIEL JON (21)· patent assignee history
2014–2015Patents assigned to DESRANLEAU CHRISTOPHER DENIS (5)· patent assignee history
2015–2018Patents assigned to COON ROBERT JOE (5)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PACKERS PLUS ENERGY SERV INC | 48 | 2011–2021 |
| THEMIG DANIEL JONself | 21 | 2012–2018 |
| PACKERS PLUS ENERGY SERVICES I | 10 | 2005–2010 |
| COON ROBERT JOE | 5 | 2015–2018 |
| DESRANLEAU CHRISTOPHER DENIS | 5 | 2014–2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Calgary, CA | 50 | 2006–2021 |
| Cochrane, CA | 12 | 2001–2013 |
| Oklahoma City, OK, US | 2 | 1990–1992 |