Patents Assigned to TERCEL IP LIMITED
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Patent number: 10941620Abstract: In certain embodiments, a downhole swivel sub includes a first swivel part configured to connect to a first section of a workstring, and a second swivel part configured to connect to a second section of the workstring. The second swivel part is rotatable relative to the first swivel part. The downhole swivel sub also includes a locking sleeve rotationally coupled with the first swivel part and movable axially between a locking position wherein the first swivel part and the second swivel part are rotationally coupled and an unlocking position wherein the first swivel part is rotatable relative to the second swivel part. The locking sleeve includes at least two first rows of teeth disposed at a same radial position and separated axially on the locking sleeve. The at least two first rows of teeth are configured to engage and disengage with at least two second rows of teeth located on the second swivel part.Type: GrantFiled: March 31, 2015Date of Patent: March 9, 2021Assignee: TERCEL IP LIMITEDInventors: John Hanton, Jeffrey B. Lasater
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Patent number: 10794121Abstract: The invention relates to a connecting assembly to be plugged into a mating receptacle in a wellbore, comprising a first sleeve including a second sleeve and having a top connecting end and a bottom connecting end, characterized in that: —the first sleeve comprises the bottom end and has a top end opposite to said bottom connecting end, said bottom connecting end being provided with an end cap for preventing entrance of materials and capable of being opened; —said second sleeve comprises said top connecting end located outside of the first sleeve and has a bottom end opposed to said top connecting end; —said connecting assembly comprises a locking mechanism adapted to lock said second sleeve in a position relative to said first sleeve such that the bottom end of the second sleeve is inside said first sleeve, and —the dimensions of the first sleeve and second sleeve are adapted such that when said locking mechanism is unlocked, said second sleeve is allowed to move relative to said first sleeve to impinge and oType: GrantFiled: February 4, 2016Date of Patent: October 6, 2020Assignee: TERCEL IP LIMITEDInventors: John Hanton, Jeffrey B. Lasater, Thomas Marr Graeme, Jayson Alexander Byrd
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Publication number: 20180030789Abstract: The invention relates to a connecting assembly to be plugged into a mating receptacle in a wellbore, comprising a first sleeve including a second sleeve and having a top connecting end and a bottom connecting end, characterized in that: the first sleeve comprises the bottom end and has a top end opposite to said bottom connecting end, said bottom connecting end being provided with an end cap for preventing entrance of materials and capable of being opened; said second sleeve comprises said top connecting end located outside of the first sleeve and has a bottom end opposed to said top connecting end; said connecting assembly comprises a locking mechanism adapted to lock said second sleeve in a position relative to said first sleeve such that the bottom end of the second sleeve is inside said first sleeve, and the dimensions of the first sleeve and second sleeve are adapted such that when said locking mechanism is unlocked, said second sleeve is allowed to move relative to said first sleeve to impinge and openType: ApplicationFiled: February 4, 2016Publication date: February 1, 2018Applicants: TERCEL IP LIMITED, TERCEL OILFIELD PRODUCTS BELGIUM SAInventors: John Hanton, Jeffrey B. Lasater, Thomas Marr Graeme, Jason Byrd
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Publication number: 20160194919Abstract: A reaming tool includes a body having a longitudinal axis and an upper end opposite a lower end and a plurality of blades located on said body. Each blade includes a reaming surface having reaming inserts arranged on at least a portion of the reaming surface such that substantially equal load is applied on the reaming inserts in the longitudinal and circumferential directions, and wherein the reaming inserts comprise a truncated dome having a substantially flat top as an exposed contact area.Type: ApplicationFiled: February 24, 2016Publication date: July 7, 2016Applicant: TERCEL IP LIMITEDInventors: Magdy M. ZAKI, Omar AHMED, Karim A. AGUIB, Ahmed Galal ADBEL-KADER
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Patent number: 9194188Abstract: Rotary rock bit comprising a tool body having an axial core (1) and radial blades (2) made of steel, grooves (6) hollowed out in the edge (5) of the blades, transversely thereto, and cylindrical abrasive elements (8) comprising impregnated diamonds, which are disposed in the grooves, transversely to the blades.Type: GrantFiled: December 31, 2010Date of Patent: November 24, 2015Assignee: TERCEL IP LIMITEDInventors: Abdelhakim Hahati, Sebastian Desmette
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Publication number: 20140246247Abstract: A downhole dual cutting reamer for bidirectional reaming of a wellbore with a tubular body with two cutting sections between end segments. Each cutting section has a plurality of helical blades separated by a flute, and wherein the helical blades are formed from at least two spiral angled sections connected together, with cutting components on the spiral angled sections. The cutting components can be polydiamond cutter nodes, high strength carbide cutting nodes, and tungsten carbide facing coating. The outer diameter of each cutting section is larger than the outer diameter of each of the end segments.Type: ApplicationFiled: October 23, 2013Publication date: September 4, 2014Applicant: TERCEL IP LIMITEDInventor: Lee Morgan Smith
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Publication number: 20140202770Abstract: A reaming tool includes a body having a longitudinal axis and an upper end opposite a lower end and a blade located on said body, the blade including a reaming surface having one or more reaming inserts disposed on at least a portion thereof and a cutting surface having one or more cutters disposed on at least a portion thereof. One or more of said cutters are configured (a) so that an extended longitudinal axis of said cutter is positioned at an angle ? between 5 degrees and 85 degrees with respect to a plane perpendicular to the longitudinal axis of said body, or (b) on said cutting surface at a radial distance from said longitudinal axis less than said radial distances between said reaming inserts and said longitudinal axis.Type: ApplicationFiled: March 21, 2014Publication date: July 24, 2014Applicant: TERCEL IP LIMITEDInventors: Magdy M. ZAKI, Omar AHMED, Karim A. AGUIB, Ahmed Galal ADBEL-KADER