Patent
Completion method for stimulation of multiple intervals
John Fleming,Gary L. Rytlewski,Larry W. Phillips,Jason Swaren,Aude Faugere,Rod Shampine,Zhanke Liu,Pete Bazan,Jabus Talton Davis +8 more
- 26 Oct 2012
20
TL;DR: In this article, a technique for stimulating or otherwise treating multiple intervals/zones of a well by controlling flow of treatment fluid via a plurality of flow control devices is described, where the flow control device is provided with internal profiles and flow through passages.
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Abstract: A technique provides for stimulating or otherwise treating multiple intervals/zones of a well by controlling flow of treatment fluid via a plurality of flow control devices. The flow control devices are provided with internal profiles and flow through passages. Mechanical darts are designed for engagement with the internal profiles of specific flow control devices, and each mechanical dart may be moved downhole for engagement with and activation of the specific flow control device associated with that mechanical dart.
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Citations
Patent
Autonomous untethered well object
John R. Whitsitt,John A Booker,Thomas D Macdougall,Gary L. Rytlewski +3 more
- 13 Jun 2013
TL;DR: In this paper, a technique for deploying an untethered object through a passageway of a string in a well and sensing a property of an environment of the string, such as an electromagnetic coupling or a pressure, is described.
31
Patent
Method and apparatus for a well employing the use of an activation ball
Tracy Speer,Piro Shkurti +1 more
- 12 Jul 2011
TL;DR: In this paper, a tubular string and a hollow ball were adapted to deploy downhole in a well and include a seat, and an activation ball was adapted to be deployed in the well to lodge in the seat.
23
Patent
Multi-zone actuation system using wellbore darts
Vijay Kumar Keerthivasan,Ryan Zhe Cong Foong,Matthew Todd Howell,Zachary William Walton +3 more
- 16 Apr 2014
TL;DR: In this paper, a sliding-sleeves assembly that includes a sliding sleeve sub coupled to a work string extended within a wellbore is described, where the sliding sleeve has one or more ports defined therein that enable fluid communication between an interior and an exterior of the work string.
23
Patent
System for successively uncovering ports along a wellbore to permit injection of a fluid along said wellbore
David Nordheimer
- 25 Apr 2016
TL;DR: In this paper, a system for successively uncovering a plurality of contiguous ports in a tubing liner within a wellbore, or for uncovering individual groups of ports arranged at different but adjacent locations along the liner, to allow successive fracking of the well-bore at such locations.
14
Patent
Apparatus and method for perforating a wellbore casing, and method and apparatus for fracturing a formation
William Jani
- 11 Feb 2014
TL;DR: In this paper, a simplified dart and sleeve is used which reduces machining operations on each. And a retrieval tool is coupled with a sliding-sleeve to allow a bypass valve to operate to assist in withdrawing the dart from within the valve subs.
12
References
Patent
Method and apparatus for stimulation of multiple formation intervals
Randy C. Tolman,Carlson Lawrence O,Kinison David A,Nygaard Kris J,Glenn S. Goss,Sorem William A,Shafer Lee L +6 more
- 14 Feb 2001
TL;DR: In this paper, an apparatus and method for perforating and treating multiple intervals of one or more underground formations (86) intersected by a wellbore by deploying a bottom-hole assembly having a perfating device (134) and at least one sealing mechanism (120) within said well-bore is described.
388
Patent
Method and apparatus for wellbore fluid treatment
Jim Fehr,Daniel Jon Themig +1 more
- 19 Nov 2002
Abstract: A tubing string assembly is disclosed for fluid treatment of a wellbore. The tubing string can be used for staged wellbore fluid treatment where a selected segment of the wellbore is treated, while other segments are sealed off. The tubing string can also be used where a ported tubing string is required to be run in in a pressure tight condition and later is needed to be in an open-port condition.
373
Patent
Method for treating multiple wellbore intervals
Tolman Randy C,Nygaard Kris J,El-Rabaa A M,Sorem William A +3 more
- 16 Jul 2001
TL;DR: In this paper, a method for treating multiple intervals in a wellbore by perforating at least one interval (32, 33, or 34) then treating and isolating the perforated interval(s) without removing the perfating sleeve (101) from the well bore during the treatment or isolation is presented.
324
Patent
Flow control apparatus for use in a wellbore
Thomas G. Hill,Jeffrey Bode,Craig Fishbeck +2 more
- 16 Apr 2002
TL;DR: In this paper, an apparatus and method of controlling the flow of hydrocarbons into and/or out of a string of tubing disposed in a wellbore is presented. But the method is not suitable for the handling of large numbers of tubes.
297
Patent
System and method to seal using a swellable material
Dinesh R. Patel,Y Gil Hilsman,Herve Ohmer,Stephane Hiron,Philippe Gambier,Whitehead Jonathan K C,Randolph J. Sheffield,Rodney J Wetzel,John R. Whitsitt,Thomas D Macdougall,Nitin Y. Vaidya,James D. Hendrickson,Edwards John E,Ross Donald W,Rashmi B. Bhavsar +14 more
- 10 Mar 2005
TL;DR: In this paper, the authors describe a sealing system that includes a swellable material that swells from an unexpanded state to an expanded state, thereby creating a seal when the swelling material comes into contact with a triggering fluid.
281
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