Three divisions of pickling integration completion pipe string
The utility model discloses a three divisions of pickling integration completion pipe string, including hanging the packer, well casing post and three divisions of pickling integration service tubular columns are stayed in three divisions of pickling integration, it is two packers that hang to hang...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The utility model discloses a three divisions of pickling integration completion pipe string, including hanging the packer, well casing post and three divisions of pickling integration service tubular columns are stayed in three divisions of pickling integration, it is two packers that hang to hang the packer, three divisions of pickling integration stay well casing post and two outer heads that hang that hang the packer to be connected, three divisions of pickling integration service tubular column hangs first the connection in with two packers that hang, three divisions of pickling integration service tubular columns are located three divisions of pickling integration and stay inside the well casing post, three divisions of pickling integration stay the well casing post to include pickling valve and the pipe that punches that is located pickling lower valve portion, sliding seal between the well casing post is stayed in three divisions of pickling integration service tubular columns and three divisions of pickling integration, three divisions of pickling integration stay the sealed position of well casing post and three divisions of pickling integration service tubular columns to lie in the pickling valve and punch between the pipe. The utility model discloses simplify the step of pickling and well completion, improved the operating efficiency. |
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