Innovative Technology in Producing Operations

Hearn, D.D.; Blount, C.G.; Hightower, Christy; Coleman, David R.; Carlberg, Björn; Wolf, Nick O.; Clayton, Christopher; Blevins, B.; Turner, J.M.; Knight, R.M.; Nethers, J.; Eatwell, W.D.; Craig, D.R.; McClintock, P.; Krause, Lothar; Andrew, J.H.; Hall, John; Hamouda, A.A.

doi:10.2523/18256-ms

Proceedings of SPE Annual Technical Conference and Exhibition 1988

DOI: 10.2523/18256-ms

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Innovative Technology in Producing Operations

D.D. Hearn¹,

C.G. Blount²,

Christy Hightower³

et al.

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1990

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Openhole Drilling Using Coiled Tubing and a Positive Displacement Mud Motor

Fultz¹,

Pittard²

1990

SPE Annual Technical Conference and Exhibition

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SPE Members Abstract An investigation into the feasibility of drilling openhole with coiled tubing indicates that such operations are feasible using currently-available technology. The study covers aspects of the drilling operation, including bottomhole equipment, surface equipment, coiled tubing unit,, drilling logistics and cost. The conclusion is made that coiled tubing drilling operations can provide benefits in terms of safety, provide benefits in terms of safety, formation damage and economics. Introduction The first coiled tubing unit was developed by Bowen Tools in 1965. The unit was used on Navy submarines to deploy a mile long, 1/2 inch diameter tubular antenna. The technology was rapidly adapted for oilfield use. The early units utilized the 1/2 inch diameter tubing from the original design. As popularity of the units increased, larger tubing capable of higher flow rates and deeper operation was developed. The largest coiled tubing unit commercially available to date is 1–3/4 inch and an operating depth of 24,600 feet has been recorded. Drilling with coiled tubing is not a new concept. Workover operations using small diameter positive-displacement motors have been positive-displacement motors have been performed since the early 1970's. The performed since the early 1970's. The recent development of more reliable, more powerful slimhole drilling motors and associated drilling equipment has greatly increased the success rate of such operations. The results of this study indicate that drilling openhole with coiled tubing can provide substantial long-term benefits with minimum development costs. Coiled tubing drilling will probably be the next major advance in probably be the next major advance in new drilling technology. P. 551

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Openhole Drilling Using Coiled Tubing and a Positive Displacement Mud Motor

Fultz¹,

Pittard²

1990

SPE Annual Technical Conference and Exhibition

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Fishing With 1.5- and 1.75-in. Coiled Tubing at Western Prudhoe Bay, Alaska

Mullin

McCarty

Plante

1990

SPE Annual Technical Conference and Exhibition

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Coiled tubing use in the Western Operating Area of the Prudhoe Bay oil field in the Alaska Arctic increased to over 750 operations in 1989. Coiled tubing is routinely used to run inflatable bridge plugs and packers, and electric line logging tools as well as performing a variety of stimulation, remedial cementing and clean-out operations. Development of fishing capability is the logical extension of coiled tubing technology in this field given this high activity level. During the second half of 1989, 21 fishing operations were attempted using coiled tubing with an 81 % success rate.Cost savings in excess of $2MM were realized in the initial phase of this project. post fracturing inflatable bridge plug fishing and fishing an inflatable bridge plug buried by large pieces of cement.

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Innovative Technology in Producing Operations

Cited by 2 publications

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Openhole Drilling Using Coiled Tubing and a Positive Displacement Mud Motor

Openhole Drilling Using Coiled Tubing and a Positive Displacement Mud Motor

Fishing With 1.5- and 1.75-in. Coiled Tubing at Western Prudhoe Bay, Alaska

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