Coiled tubing string structure of finned oil-gas well on long horizontal section and horizontal well section

The utility model discloses a coiled tubing string structure of a finned oil-gas well on a long horizontal section and a horizontal well section. Coiled tubing with equal wall thickness is adopted at the lower section and the middle section of a horizontal section; wherein the upper section of the h...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ZOU XIANXIONG, PEI CHUZHOU, LI YUANYUAN
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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