描述
The C2C Sliding Sleeve is comprised of full-opening devices with an inner sleeve that can be opened or closed, using standard wireline methods to provide communication between the tubing and the tubing/casing annulus. They feature the CCX nipple profile above inner sliding sleeve and a polished are below as an integral part of the assembly. This provides for an additional landing nipple on the tubing string for a wide variety of C2C Flow Control Equipment, plud the option to pack it off, if desired.
The CCXO Sliding Sleeve by design allows 85% of the tubing flow area. It is used for standard weight tubing with the "one up to close and down to open" version.
The CCXD Sliding Sleeve by design allow 100% of the tubing flow area. It is used for standard weight tubing with the "one shift up to close and down to open" version. The CCXD Sliding Sleeve reduces the pressure lose over the flow ports in heavy crude oil wells. It is identical in design and operation to the CCXO Sliding Sleeve except for its larger port areas.
The CCXA Sliding Sleeve by design allows 85% - 100% of the tubing flow area depending on size and grade of material. It is used for standard weight tubing with the "one shift down to close and up to open" version. The CCXA Sliding Sleeve opens up, opposite to the CCXO and CCXD Sliding Sleeve, which makes it easier to open in heavy oil or drilling mud, upward jar action being more effective. The disadvantage is that shifting tool is above the flow ports when the sleeve is opened and if there is a pressure differential across the Sliding Sleeve, there is a greater risk of being blown up the hole.
The CCXO Sliding Sleeve by design allows 85% of the tubing flow area. It is used for standard weight tubing with the "one up to close and down to open" version.
The CCXD Sliding Sleeve by design allow 100% of the tubing flow area. It is used for standard weight tubing with the "one shift up to close and down to open" version. The CCXD Sliding Sleeve reduces the pressure lose over the flow ports in heavy crude oil wells. It is identical in design and operation to the CCXO Sliding Sleeve except for its larger port areas.
The CCXA Sliding Sleeve by design allows 85% - 100% of the tubing flow area depending on size and grade of material. It is used for standard weight tubing with the "one shift down to close and up to open" version. The CCXA Sliding Sleeve opens up, opposite to the CCXO and CCXD Sliding Sleeve, which makes it easier to open in heavy oil or drilling mud, upward jar action being more effective. The disadvantage is that shifting tool is above the flow ports when the sleeve is opened and if there is a pressure differential across the Sliding Sleeve, there is a greater risk of being blown up the hole.
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CCX CCXD CCXA C2C Sliding Sleeve
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