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BZ-1 HPHT Well (Tarim basin)Abstract：
In 2014, Top Well was awarded the contract to supply snubbing services to open a damaged SCSSV and clean out the production tubing on BZ-1.
Details
BZ-1 HPHT Well (Tarim basin)
Customer: CNPC Tarim Operations Unit
Synopsis: Open SCSSV, and clean out plugged production tubing (paraffin and hydrates) HPHT well.
Well Data:
- Tubing: 42mm (1.660”)
- Casing: 89mm (3.5”)
- Max Surface Pressure: 98.6 Mpa ( 14,300 Psi)
- Well Depth: 7100 Meters (23,263’)
This well represents the highest pressure snubbing job ever performed in Asia, with surface pressure of 14,300 Psi (98.6 Mpa) at entry into the well. Top Well purchased the snubbing unit used on this work specifically for this job.
Top Well was the contract holder and sub- contracted several specialist companies to provide the rare and in some cases unique equipment needed for this work over. Top Well was responsible for all support services, overall project management, logistics, and ultimately the excellent outcome of the job. The project was completed under time and under budget.
Equipment was imported from several countries and personnel were brought in from 4 different countries to do this work.
Overall Rig Up BZ-1
Happy Crew at Completion of Job.
