2006•Drilling & Production TechnologyRequires access

GEOLOGIC PROPERTY OF DRILLING ENGINEERING AND TECHNICAL APPROACH OF IMPROVING ROP IN QILIBEI AREA

MA Guangchang

Abstract

Qilibei well 1 obtained natural gas 80×104 m3 in Feixianguang formation, but buried depth of reservoir is high up 5600m, and geologic structure of Jurassic formation has difference with the nearby structures. Two serious problems such as low drilling speed and many drilling tools troubles seriously restrict the drilling speed of exploratory wells. In this paper, the geologic features of drilling engineering in well Qilibei 1 is analyzed, and the technical methods of enhancing drilling speed in Feixianguang formation is proposed. It is benefit for resolving the problems existent in drilling engineering, and having special value for accelerating the gas reservoir exploratory speed in Feixianguang Ertan formation.

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Key concepts: Drilling, Petroleum engineering, Drilling engineering, Measurement while drilling, Geology, Natural gas, Well drilling, Reservoir engineering