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Downhole valve/sliding sleeve manipulation
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Overview

The Coiled Tubing takes bottom packer string to isolate the un-targeted zone and open the pre-set sliding sleeve for fracturing. This technology can fracture multiple zones in one single trip. Anton provides advanced Coiled Tubing operation, specially designed for sliding sleeve and bottom packer working string as a perfect combination of continuous working and completion tools.

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Efficient and couninous fracturing with CT dragging working string to target zones.


Sliding Sleeve can be repeatedly opened and closed as production demand.


Unlimited fracturing stages, and full-bore access.
Adapted to vertical well, large slope well and horizontal well casing completion, especially suitable for super long horizontal section multistage transformation (>50).


Can be used for cementing and preset hole packer and other fullpath completion methods, covering size :4-1/2",5",5-1/2".


To meet the needs of sandstone, conglomerate, carbonate, shale gas and coal-bed gas reservoir reconstruction.
Integrated services providing tools, technology, equipment and personnel worldwide including China and lrag.


At present, 7 wells have been used in Sichuan Basin and Ordos Basin, and the application of the first CT switchable cementing slip casing well in China was first completed in 2017.
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MATERIAL SERVICE
Abrasive Perforation/Stimulation
The technology is based on Coiled Tubing dragging working string to isolate the bottom zone in one single trip. Then use abrasive perforating to create contact with formation and continuous fracturing stage by stage. Anton provides advanced Coiled Tubing operation, special designed abrasive perforation tools and bottom packer string, achieving a perfect combination of Coiled Tubing and operation string.
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MATERIAL SERVICE
Through-tubing Inflatable Packers
The stage acidizing technology of CT through tubing packer is a special stage acidizing technology. Through CT operation, it can seal the casing/tail tube after passing through the tubing, separate the upper and lower layers, realize the stage acidizing operation of the tubing, solve the problem of modification under the condition of wellbore limitation. and greatly improve the single well output.
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MATERIAL SERVICE
Velocity String
CT production and gas production technology (velocity string technology) refers to the installation of a small diameter of CT in the wellbore as a drainage pipe string to improve the gas well carrying capacity.The basic principle is that the fluid velocity on the smaller cross-section is increased by the principle of fluid dynamics of the variable diameter pipe without moving the original downhole production string. Anton has a mature oil production and gas production special CT and other independent supporting tools, providing CT production and gas production technical services and customized oil production and gas production CT and supporting products.
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MATERIAL SERVICE
CT Tool Conveyance
CT conveying technology is to use the transmission capacity of CT to transfer logging, testing, downhole camera, bridge plug linkage, perforation, cutting and other specific tools to oil and gas wells for operation. Anton can provide technical services and supporting tools for the down-entry of CT with various borehole conditions.
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MATERIAL SERVICE
CT Conventional Operation
Providing comprehensive CT conventional operation.Sand washing (under balanced, normal).Gas lifting with liquefied nitrogen.Fishing (wire, cable, pipe, ball, debris, down-hole chock).Milling (composite bridge plug, ball set, block removal).Perforation (TCP, abrasive perforation).Cutting.Cementing & scale remove.Coiled tubing logging.Provided all kinds of Coiled Tubing units and related tools, and met with various operation requirements.Completedoperation process and quality control system.Experienced field engineers.
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