Well casing sie connector |
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| 申请号 | US3718185D | 申请日 | 1971-09-14 | 公开(公告)号 | US3718185A | 公开(公告)日 | 1973-02-27 |
| 申请人 | WELLSTEIN W; | 发明人 | WELLSTEIN W; | ||||
| 摘要 | A well casing section having a radially extending housing having a side delivery duct, and a removable inner connector member provided with an elbow duct aligned with and sealingly connected to the side duct in the casing section along parallel flat surfaces substantially aligned with the wall of the casing. This connection is made by means of hooks on the inner member which engage pin means in the casing section. Opposite ends of the casing section are provided with fastening means such as threads and/or compression fittings. The compression fitting may be pressurized by the fluid in the ducts of the connector of this invention by providing in the outer member or casing section, a small duct extending from the side duct to the periphery of the compression fitting. | ||||||
| 权利要求 | 1. In a well casing side connector wherein an outer connector member has a radially extending housing which includes a transverse bore therethrough, and wherein an elbow duct inner connector member is aligned with the transverse bore in the outer member, the improvement comprising: A. vertical engageable surfaces on said members substantially aligned with the wall of said casing, B. horizontal coupling pins disposed in said housing transverse to said bore behind its engageable surfaces, and C. hook means on said inner member projecting outwardly beyond its engageable surface and extending into said housing and engaging said coupling pins. 2. A connector according to claim 1 wherein said hook means have downwardly extending tapered ends and substantially parallel inverted U-shaped seats for slidable engagement with said horizontal couplings pins. 2. a vertical surface substantially flush with the inner wall of said casing section and having an opening of said radial duct therein, and 3. horizontally extending pins across said spacing which pins are aligned with each other and are substantially tangential to the outer circumference of said casing section, B. an elbow duct member vertically movable inside said well casing and section having a. a pair of downwardly extending spaced hooks for engagement with said pins, b. a vertical surface between said pins having the horizontal opening of said elbow duct alignable with the opening of said duct in said housing, and c. an internally threaded downwardly extending opening of said duct for connecting a pipe thereto, C. means removably connected to the upper side of said elbow duct member for suspending said member and pipe on said well and for guiding engagement and disengagement of said hooks with said pins, and D. means for sealing the horizontal opening of said elbow member with the radial duct opening in said housing. 3. A well casing side connector comprising: A. an elongated tubular outer connecting member, a. said outer member having a housing portion spaced radially outwardly of said tubular member, b. a duct in said housing portion having its inner open end substantially flush with an inner wall of said outer member, and c. horizontally extending pin means in said housing portion intermediate the ends of said duct, B. an inner member having a. an elbow duct therein with one of its ends aligned with said inner open end of said duct in said outer member, b. hook means on said inner member extending into said housing and engageable with said pin means to connect said inner member to said outer member, and C. seal means between said inner and outer members for sealing said inner and outer members together. 4. A well adaptor comprising: A. an axially vertical section of well casing having a. means at each end of said section for sealing said section to a well casing, and b. a radially extending housing on said section having: 5. An adaptor according to claim 4 wherein the means for sealing at least one end of said section to said well casing comprises resilient gasket means around said well casing and located in an annular chamber in said section. 6. An adaptor according to claim 5, wherein said chamber is connected to said radial duct of said section for pressurizing said gasket. 7. A well adaptor according to claim 4 wherein said means for sealing said section to said casing comprises a threaded connection on at least one end of said section. 8. A well adaptor according to claim 4 wherein said means for sealing the horizontal duct of said elbow duct with the radial duct of said housing comprises an O-ring embedded between their adjacent vertical surfaces seated in an annular groove in one of said surfaces. 9. An adaptor according to claim 4 wherein said hook means have downwardly tapered ends and substantially parallel inverted U-shaped seats for vertical slideable engagement with said pins. 10. A well adaptor according to claim 4 wherein the location of the seat of said hooks with respect to the horizontal opening of the elbow duct between them is accurately controlled with respect to the top edge of said pins and said opening of the radial duct between them, so as to accurately align the ducts in said housing and elbow duct member when the elbow member is connected to the housing in said casing section. 11. A well adaptor according to claim 4 wherein said means for suspending said elbow duct member comprises a section of pipe screwed into a blind hole in the upper end of said elbow duct member, which pipe extends beyond the well casing connected above said well section. 12. A well adaptor according to claim 4 wherein said means for suspending said elbow duct member is so connected to the top part of said member so as to normally urge said member with its hooks toward said pins in said section. |
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