Oil horizontal well prevents oil production pipe well device that drops absolutely

The utility model discloses an oil horizontal well prevents oil production pipe well device that drops absolutely, including cup jointing the anti -abrasion sleeve on the connecting rod, slide and be provided with the slips in anti -abrasion sleeve's the outside, the bottom fixedly connected wi...

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Bibliographische Detailangaben
Hauptverfasser:	LU JUN, HAN JIE, BAI BINJIE, LI ZHEN, GE JUN, HUA YUJUN, MENG FANLI, JIA YAN, GAO YILING, BU ZHANQI, SUN JIEHAO, SUN DI, YANG QIANGQIANG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Beschreibung
Zusammenfassung:	The utility model discloses an oil horizontal well prevents oil production pipe well device that drops absolutely, including cup jointing the anti -abrasion sleeve on the connecting rod, slide and be provided with the slips in anti -abrasion sleeve's the outside, the bottom fixedly connected with slip spider of slips, and the below fixedly connected with adapter sleeve of slip spider is provided with reset spring between adapter sleeve and the connecting rod, anti -abrasion sleeve's surface is provided with the recess that a plurality of was parallel to each other, and the inside of recess is provided with arc -shaped elastic pieces, is provided with first block rubber between arc -shaped elastic pieces and the recess, and the both sides of first block rubber are passed through the splice bar and are connected with arc -shaped elastic pieces's both ends, is provided with first flange on slips and anti -abrasion sleeve's the contact surface, and first flange connects with arc -shaped elastic pieces's top slidi