Pressure-Activated Sealant Technology.
A Cost-Effective Alternative to Conventional Leak Repair Methods.
SPE Technical Bulletin, Italian Section - March 2006
Maintaining wellbore integrity is an ongoing process within the oil and gas industry. Leaks occur. The conventional method of repair is to mobilize a workover rig, at considerable cost and potential harm to personnel and environment. What is needed is a method of repairing leaking wellbore equipment and control systems in-situ without the need of mobilizing expensive and risky intervention operations. Pressure-activated sealant technology is such a method... [Read More]
__________________________________________________________________________________
Pressure activated sealant repairs drilling riser leak.
Roustabout Magazine – April 2006
“The leak was repaired and the client was able to complete drilling operations over the next 30 days with no further riser-related downtime”... [Read More]
__________________________________________________________________________________
Company Finds Cure for Downhole Leaks without Expensive Workover Operations
Offshore Source – April 2006
Barry Ellis, founder and managing director of Seal-Tite® International, worked as a problem-well specialist for one of the world’s major oil companies. During his fieldwork in Libya, Malaysia and the Gulf of Mexico, Ellis saw a need for a method of curing downhole leaks without having to perform expensive workover operations... [Read More]
__________________________________________________________________________________
Case History #1185 - Tubing Leak
Roustabout Magazine – August 2006
Seal-Tite® was contacted by a major oil company in the German Sector of the North Sea & was informed that diagnostic work determined that a leak existed in the tubing hanger to tubing pup joint Fox thread connection. It was also noted that a slightly abnormal torque curve was seen during make-up of this connection... [Read More]
__________________________________________________________________________________
Pressure-activated sealants are finding increasing use as a method for curing downhole leaks.
Merchant Oil & Gas Technology – Autumn 2006
The technique involves using a pressure-activated fluid additive that polymerises into a flexible solid upon contact with the leak site. The sealants are unique in that a sustained pressure drop through a leak site causes the sealant fluid to polymerise into a flexible solid seal. The sealant remains fluid until exposed to a pressure differential... [Read More]
__________________________________________________________________________________
Sealant Technology Articles in Industry Magazines
SMRI April 2005: “Annulus Communications Eliminated using Pressure-Activated Sealant” [Read More]
SPE 88566: “Subsea Leaks Cured with Pressure-Activated Sealant” [Read More]
SPE 64400: “New Workover and Completion Technology Utilized in Bass Strait” [Read More]
SPE 59026: “Leak-Sealant in Hydraulic Systems Minimizes Costs in OffShore Wells” [Read More]
SPE 55996: “Use of Pressure Activated Sealants to Cure Sources of Casing Pressure” [Read More]
Additional Technical Papers