A coiled tubing injection and removal system includes an injector head forming a hollow cavity and configured to receive the coiled tubing therein the hollow cavity; a first chain assembly and a second chain assembly, both chain assemblies being secured within the hollow cavity and configured to en...
A method and apparatus for hanging off a coiled tubing velocity string in an existing, active gas production well. The method allows for the "hot" tapping into a charged coiled tubing run thereby eliminating the need for an end plug and blow out equipment on site. A sealed cutter assembly ...
The coiled tubing handling apparatus includes a base and a frame. First and second pairs of plate members are coupled to the frame. A drive sprocket and an idler sprocket are coupled to the first pair of plate members for supporting a first continuous gripper chain with gripper members for ...
1. An inspection system for coiled tubing being employed in a well, the system comprising: an imaging device recording video signals of a segment of the coiled tubing as the coiled tubing is being employed into the well; a conductor transmitting the video signals to a processor; an image gra...
United States Patent US6192983 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
A coiled tubing connector for connecting tools together when they are inserted into a well bore. The connector includes a disposable element that may be severed along with the connected portion of the coiled tubing. This provides for quick disconnect and reuse of the remainder of the connector. ...
The lower end of the coiled tubing connector can also be provided with a quick connection half to mate with the uppermost tool in the bottom hole assembly.Gordon R. Mackenzie
A coiled tubing string with a straddle assembly of inflatable isolation packers is run through the production string. An optional milling out of the lower end of the production string can take place first. The inflatable straddle assembly is run past the end of the production string for ...
United States Patent US5821452 Note: If you have problems viewing the PDF, please make sure you have the latest version ofAdobe Acrobat. Back to full text
The tubing is maintained on a predetermined path through the processing station by sensing deviation of the tubing from the predetermined path and then directing the tubing into the path in response to the sensed deviation. The trailing end of the tubing is sensed as it passes through the ...