Double Block and Bleed /  Isolation Test Plugs

Double Block and Bleed plugs are ideal in isolating certain areas of pipe for fabrication or isolated testing. Buckhorn offers this service as a means to effectively isolate areas or pipe and monitor and/or place a nitrogen blanket isolation potentially explosive vapors during hot work. The DBB allows water to be introduced between seals and perform a high pressure hydrostatic test on the single well without testing the entire line.

Click here to view Double Block and Bleed Test Video

Isolation Test Plugs are a safe and convenient way to perform pressure tests on open ended pipe. This developing safe technology is a cost efficient alternative to welding end caps. Buckhorn can provide trained personnel and equipment to safely execute this testing strategy for it’s customers.

Click here to view Elbow Test Plug Video

CB&I Ethylene Cracker Project

Current performing GripTight TM Isolation Test Plugs to perform hydrostatic and pneumatic tests from 1/2” to 24” on SQE and Heater Units.

 Williams Markham TX Project

Performed a DDB isolation with nitrogen purge and cold cut on a 24” pipeline, performed hydrostatic test on the welds, installed gaskets and insulation kits, torqued bolts to Williams specification.

Loop, LLC Fourchon, LA Project

Assisted LOOP with isolation pigs and cold cut on a 4” diesel line for the main offshore pump supply line during a 24 hour shutdown. Installed gaskets and spool piece, torqued to Loop specifications.