37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis
apparatus for removing or shaping metal; all for use in
connection with oil and gas wells. Oil and gas well casing, tubing, and drill pipe
installation, maintenance and repair; oil and gas well
construction; oil and gas well plug and abandonment
services. Oil and gas well treatment; rental of electrolysis apparatus
for electroplating, rental of electrolysis apparatus for
removing or shaping metal, all for use in connection with
oil and gas wells.
There is provided herein a method for preparing a wellbore comprising: positioning one or more sections of piping within the wellbore as part of a piping string by attaching the one or more sections to additional similar sections of piping, wherein at least a region of an external surface of the one or more sections of piping is shaped to include a pattern of indents and/or protrusions, and wherein the shaped region of the external surface is located so as to be exposed to a surrounding external environment when the section of piping is coupled to the additional similar sections of piping as part of the piping string. There is also provided herein a section of piping for use as part of a wellbore structure and a method for producing a section of piping for use as part of a wellbore structure.
E21B 17/046 - CouplingsJoints between rod and bit, or between rod and rod with ribs, pins, or jaws, and complementary grooves or the like, e.g. bayonet catches
E21B 33/04 - Casing headsSuspending casings or tubings in well heads
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis apparatus for removing or shaping metal; all for use in connection with oil and gas wells Oil and gas well casing, tubing, and drill pipe installation, maintenance and repair; oil and gas well construction; oil and gas well plug and abandonment services, being cementing, casing milling, fishing, downhole intervention services, electrochemical removal of downhole metal components, and demolition of oil and gas wells Oil and gas well treatment; rental of electrolysis apparatus for electroplating, rental of electrolysis apparatus for removing or shaping metal, all for use in connection with oil and gas wells
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis
apparatus for removing or shaping metal; whipstocks
[power-operated tools]; whipstocks [drilling machines]; all
for use in connection with oil and gas wells. Rental of electrolysis apparatus for electroplating, rental
of electrolysis apparatus for removing or shaping metal,
rental of whipstocks, all for use in connection with oil and
gas wells; oil and gas well casing, tubing, and drill pipe
installation, maintenance and repair; oil and gas well
construction; oil and gas well plug and abandonment
services. Oil and gas well treatment.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis
apparatus for removing or shaping metal; milling tools as
machines or as machine parts; all for use in connection with
oil and gas wells. Rental of electrolysis apparatus for electroplating, rental
of electrolysis apparatus for removing or shaping metal,
rental of milling tools as machines or as parts, all for use
in connection with oil and gas wells; oil and gas well
casing, tubing, and drill pipe installation, maintenance and
repair; oil and gas well construction; oil and gas well plug
and abandonment services. Oil and gas well treatment.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis
apparatus for removing or shaping metal; all for use in
connection with oil and gas wells. Rental of electrolysis apparatus for electroplating, rental
of electrolysis apparatus for removing or shaping metal, all
for use in connection with oil and gas wells; oil and gas
well casing, tubing, and drill pipe installation,
maintenance and repair; oil and gas well construction; oil
and gas well plug and abandonment services. Oil and gas well treatment.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis
apparatus for removing or shaping metal; all for use in
connection with oil and gas wells; electrolysis apparatus
for perforating oil and gas wells and pipelines. Rental of electrolysis apparatus for electroplating, rental
of electrolysis apparatus for removing or shaping metal, all
for use in connection with oil and gas wells; rental of
electrolysis apparatus for perforating oil and gas wells and
pipelines; oil and gas well casing, tubing, and drill pipe
installation, maintenance and repair; oil and gas well
construction; oil and gas well plug and abandonment
services. Oil and gas well treatment.
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis apparatus for removing or shaping metal; all for use in connection with oil and gas wells; electrolysis apparatus for perforating oil and gas wells and pipelines Rental of electrolysis apparatus for electroplating, rental of electrolysis apparatus for removing or shaping metal, all for use in connection with oil and gas wells; rental of electrolysis apparatus for perforating oil and gas wells and pipelines; oil and gas well casing, tubing, and drill pipe installation, maintenance and repair; oil and gas well construction; oil and gas well plug and abandonment services, being cementing, casing milling, fishing, downhole intervention services, electrochemical removal of downhole metal components, and demolition of oil and gas wells Oil and gas well treatment
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis apparatus for removing or shaping metal; milling tools as machines or as machine parts; all for use in connection with oil and gas wells Rental of electrolysis apparatus for electroplating, rental of electrolysis apparatus for removing or shaping metal, rental of milling tools as machines or as parts, all for use in connection with oil and gas wells; oil and gas well casing, tubing, and drill pipe installation, maintenance and repair; oil and gas well construction; oil and gas well plug and abandonment services, being cementing, casing milling, fishing, downhole intervention services, electrochemical removal of downhole metal components, and demolition of oil and gas wells Oil and gas well treatment
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis apparatus for removing or shaping metal; all for use in connection with oil and gas wells Rental of electrolysis apparatus for electroplating, rental of electrolysis apparatus for removing or shaping metal, all for use in connection with oil and gas wells; oil and gas well casing, tubing, and drill pipe installation, maintenance and repair; oil and gas well construction; oil and gas well plug and abandonment services, being cementing, casing milling, fishing, downhole intervention services, electrochemical removal of downhole metal components, and demolition of oil and gas wells Oil and gas well treatment
37 - Construction and mining; installation and repair services
40 - Treatment of materials; recycling, air and water treatment,
Goods & Services
Electrolysis apparatus for electroplating; electrolysis apparatus for removing or shaping metal; whipstocks being power-operated tools; whipstocks being drilling machines; all for use in connection with oil and gas wells Rental of electrolysis apparatus for electroplating, rental of electrolysis apparatus for removing or shaping metal, rental of whipstocks, all for use in connection with oil and gas wells; oil and gas well casing, tubing, and drill pipe installation, maintenance and repair; oil and gas well construction; oil and gas well plug and abandonment services, being cementing, casing milling, fishing, downhole intervention services, electrochemical removal of downhole metal components, and demolition of oil and gas wells Oil and gas well treatment
12.
A DOWNHOLE TOOL FOR USE IN SIDETRACKING OPERATIONS
Described herein is a downhole tool for use in sidetracking operations comprising: a deflection element extending along the tool and having a deflection surface which is oriented at an angle to a longitudinal axis of the tool; an electrically conductive element positioned adjacent the deflection surface such that it extends along a length of the deflection surface; a coupling device for providing an electrical current to the conductive element; and a connection apparatus for establishing an electrical connection between the tool and a section of wellbore casing. A method for performing a sidetracking operation is also described.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
E21B 29/06 - Cutting windows, e.g. directional window cutters for whipstock operations
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
E21B 29/06 - Cutting windows, e.g. directional window cutters for whipstock operations
A downhole tool, for removing sections of metal tubing, said downhole tool comprising at least one conductive element being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element being made of electric conductive material, an apparatus to establish a connection to the metal tubing, and a source of electrical power.
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
E21B 28/00 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
E21B 41/00 - Equipment or details not covered by groups
There is provided a method for preparing a wellbore for insertion of a barrier, the method comprising: providing a section of tubing or formation within the wellbore having a modified internal surface that is shaped such that a region adjacent the modified internal surface can be filled with barrier material and the barrier material can solidify to interlock with and be anchored by the modified internal surface.
E21B 33/138 - Plastering the borehole wallInjecting into the formation
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
The present invention relates to a downhole tool (23), for removing sections of metal tubing, comprising: at least one conductive element (1) being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element (1) being a tube or a pipe which is made of electric conductive material, an apparatus (4) to establish a connection to the metal tubing (2), and a milling apparatus with cutting or abrasive elements (3) arranged to remove byproducts from the electrolytic process. The invention also relates to a modular downhole tool (45), comprising an elongated main shaft (8) with several modules for insertion in a wellbore.
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
A downhole tool, for removing sections of metal tubing, said downhole tool comprising at least one conductive element being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element being made of electric conductive material, an apparatus to establish a connection to the metal tubing, and a source of electrical power.
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
E21B 41/00 - Equipment or details not covered by groups
E21B 28/00 - Vibration generating arrangements for boreholes or wells, e.g. for stimulating production
The present invention relates to a downhole tool (23), for removing sections of metal tubing, comprising: at least one conductive element (1) being arranged to corrode a section of metal tubing using an electrolytic process, said conductive element (1) being a tube or a pipe which is made of electric conductive material, an apparatus (4) to establish a connection to the metal tubing (2), and a milling apparatus with cutting or abrasive elements (3) arranged to remove byproducts from the electrolytic process. The invention also relates to a modular downhole tool (45), comprising an elongated main shaft (8) with several modules for insertion in a wellbore.
B23H 3/00 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte
B23H 9/16 - Making holes using an electrolytic jet
E21B 29/00 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground
E21B 29/02 - Cutting or destroying pipes, packers, plugs or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windowsDeforming of pipes in boreholes or wellsReconditioning of well casings while in the ground by explosives or by thermal or chemical means
