Sliding and rotary PDM drilling keep horizontal well on target. [Positive Displacement Motors]
Journal Article
·
· Oil and Gas Journal; (United States)
OSTI ID:5395281
- Drilex Systems Inc., Houston, TX (United States)
Improved drilling efficiency and the use of steerable positive displacement motors (PDMs) helped keep an Austin chalk horizontal well on target and below cost. Field development in the Austin chalk began more than 60 years ago; however, many wells have had low-to-average oil recovery. Recent thorough studies of the natural fracture matrix in the Austin chalk revealed that the fractures were not interconnected. The ability of a horizontal well to intersect numerous fracture systems made the Austin chalk an excellent candidate for horizontal drilling. This paper describes the well plan, its trajectory, bottom hole assemblies, and drilling results.
- OSTI ID:
- 5395281
- Journal Information:
- Oil and Gas Journal; (United States), Vol. 91:28; ISSN 0030-1388
- Country of Publication:
- United States
- Language:
- English
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