Patent Assignment
Reel/Frame 047900/0534
Release of Security Interest
Recorded: 2019-01-04
Pages: 5
Assignor
SILICON VALLEY BANK
Executed: 2018-12-17
Assignee
TERCEL IP LTD.
10613 W. SAM HOUSTON PKWY. N., SUITE 600, HOUSTON, TEXAS, 77064
Covered Properties
(28)
Downhole Tools
Patent:
6,666,267 →
Application:
09/554,400 →
Improvements in and Relating to Downhole Tools
Shoe
Hanging Apparatus and Method
Apparatus and Method for Use in a Well Bore
Downhole Swivel Sub
Shoe for Wellbore Lining Tubing
Downhole Tools
Drill Bit Having the Ability to Drill Vertically and Laterally
Method and Apparatus for Selectively Leaching Portions of Pdc Cutters Already Mounted in Drill Bits
Method and Apparatus for Selectively Leaching Portions of Pdc Cutters Used in Drill Bits
Optimized Central Pdc Cutter and Method
Combination Coring Bit and Drill Bit Using Fixed Cutter Pdc Cutters
Ultra-Hard Drilling Stabilizer
Drill Bit Having Functional Articulation to Drill Boreholes in Earth Formations in All Directions
Shoe for Wellbore Lining Tubing
Ultra-Hard Drill Collar
Mold used in manufacture of drill bits and method of forming same
Application:
12/590,561 →
Publication:
US 2010/0101747
Optimized central cutter and method
Application:
12/924,770 →
Publication:
US 2011/0024193
Down Hole Apparatus for Generating a Pusling Action
Device Including an Apparatus for Measuring Drilling or Coring Operation Parameters, and Equipment Including Such a Device
Drill Pipe Tubing and Casing Protector
Downhole Swivel Sub
Downhole Tool Engaging a Tubing String Between a Drill Bit and Tubular for Reaming a Wellbore
Patent:
8,607,900 →
Application:
13/889,969 →
Downhole Dual Cutting Reamer
Uncoupling Device for Connecting a Drilling Tool to the End of a Drilling Column and a Drilling System Comprising Such an Uncoupling Device
Application:
14/127,216 →
Publication:
US 2015/0041221
Downhole Assembly, Tool and Method
Down-Hole Swivel Sub
Application:
14/232,892 →
Publication:
US 2014/0299379
Related Assignments
(14)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
May 3, 2012
From: CALEDUS LIMITED
To: TERCEL OILFIELD PRODUCTS UK LIMITED
Reel/Frame 028147/0732 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0497 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0499 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0512 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0519 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0559 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0562 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0438 →
Change of Name
Aug 20, 2014
From: OMNI IP LTD.
To: TERCEL IP LTD.
Reel/Frame 033577/0449 →
Change of Name
Mar 10, 2015
From: CALEDUS LIMITED
To: TERCEL OILFIELD PRODUCTS UK LIMITED
Reel/Frame 035124/0958 →
Assignment of Assignor's Interest
Mar 10, 2015
From: TERCEL OILFIELD PRODUCTS UK LIMITED
To: TERCEL IP LIMITED
Reel/Frame 035125/0138 →
Assignment of Assignor's Interest
Mar 10, 2015
From: BRUNEL OILFIELD SERVICES (UK) LIMITED; CALEDUS (UK) LIMITED
To: TERCEL OILFIELD PRODUCTS UK LIMITED
Reel/Frame 035124/0849 →
Security Interest
Jul 30, 2015
From: TERCEL IP LTD.
To: SILICON VALLEY BANK
Reel/Frame 036216/0095 →
Assignment of Assignor's Interest
Jan 21, 2019
From: TERCEL IP LTD.
To: DIAMANT DRILLING SERVICES SA
Reel/Frame 048076/0240 →