Sand-control method. Pt. 2. Shortcomings suggest new fail-safe concept
Journal Article
·
· Oil Gas J.; (United States)
OSTI ID:5059619
In Pt. 1, some of the factors were covered which limit present sand-control methods for high-rate wells and for the stimulation of unconsolidated sands. A new concept includes a specifically designed screen and quite large gravel placed with a prior treatment of consolidating plastic. It promises to eliminate most disadvantages of currently used techniques. It is a fail-safe system by protecting against failure of the plastic in all or in part of the consolidated region. The process first introduces a resin material into the formation before the well is gravel-packed with large gravel. The resin consolidates the formation sand that remains in direct contact with the pack gravel after the job is complete. The use of large gravel maximizes productivity throughout the gravel-packed interval and especially in the perforation tunnels. Since the formation sand has been consolidated at the interface, the large pack gravel will not become invaded with the formation sand. How the new plastic pack is placed is illustrated. (24 refs.)
- OSTI ID:
- 5059619
- Journal Information:
- Oil Gas J.; (United States), Journal Name: Oil Gas J.; (United States) Vol. 73:8; ISSN OIGJA
- Country of Publication:
- United States
- Language:
- English
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