Setting a critical well barrier in tubing with damaged nipple profiles Collection of data with minimal pressure loss in flowing wells Contingency barrier option on high-value subsea wells Recovery of magnetic junk in high temperature wells > Hard scale removal at multiple obstruction points Retrieval of equipment lost in the well and fast-track production restart High deviation, heavy-duty fishing, North Sea Recovery of safety valve lockout tool which had parted downhole Retrieval of sub-surface safety valve (SSSV) with damaged fish neck Retrieval of injection valve backed off from 7-in retrievable bridge plug Trial deployment of slickline-set SIM plugs and Peak latch/seal micro coil stinger Data acquisition to monitor pressure buildup in a shut-in well Bespoke activation tool design Evaluation of an e-line deployed tractor, stroker, and slickline toolstring Trial test to remove hard scale from production tubing using mechanical means Cut wire at rope socket to retrieve stuck toolstring Retrieval of injection valve from tubing crossover at 10,400 ft High-deviation fishing at depth in the Middle East Isolation of failed inflow valve at high deviation Location and stabilization of a leak path in the completion string Innovative use of an LWIV to perform first subsea slickline intervention in Nigeria Efficient straddle solution enables repair of production Christmas tree Permanent plug keeps P&A project moving Peak eCutter facilitates faster stuck toolstring recovery in long-reach, highly-deviated well Retrievable sand screen anchoring system eliminates leaks Mechanical scale removal saves USD 250,000 PTTEP gas lift straddle conversion restores oil production for mature well Slickline-deployed plug isolates damage to avoid workover KOC restores oil production to 800 bbl/d using digital-slickline-conveyed straddle system D-Set setting tool and DSL digital slickline cable set large-bore gauge hanger in monobore well Retrievable bridge plug enables proper tubing cut and saves 4 rig days, Congo Remote Intervention Operation Enables Effective Planning of Plug and Abandonment Campaign Shell Removes 900-ft Parted Wireline from North Sea Well

Hard scale removal at multiple obstruction points

 

Technical Challenge:

Hard scale removal at multiple obstruction points

Peak Solution:

Torque-Action Debris Breaker wellbore cleanup and debris removal tool

Customer:

National oil company, Gulf of Thailand

Well Type:

2 7/8-in and 3 ½-in gas producers

The Challenge:

An operator required an effective means of clearing scale obstructions from 20 different wells. The scale was present between 1,750 m and 4,000-m well depth, and was caused by natural deposits (barium sulphate and strontium sulphate) with some compounded by cement and hard packed sand.

Considerations:

During this campaign, 7/32-in braided line was used as high pick-up weights were anticipated, and also because of the operator’s concerns about the tool becoming stuck which had happened in previous campaigns using standard broach systems.

The simplicity and robustness of the Torque-Action Debris Breaker tool ensures that a simple jar down is sufficient to free the tool when necessary, enabling it to be easily removed clear of the obstruction.

Summary:

In total, 20 wells were intervened with 19 successfully cleared. The sectional lengths that were cleared of obstructions ranged from less than 1 m up to 1,200 m. The recovered scale material included significant-sized pieces of very hard crystalline nature which the operator personnel claimed they had never recovered in such large sizes or with such ease before. Other deposits were also recovered including debris that was a mixture of cement and formation material.

The operator was highly satisfied with the performance of the Torque-Action Debris Breaker tool in clearing scale deposits that would otherwise have been subject to a prolonged campaign using standard broach systems or possibly using coiled tubing and chemical treatments.

Value to Customer:

  • Highly cost effective - the powerful performance of the Torque-Action Debris Breaker tool was key to clearing the well much faster than a prolonged campaign using standard broach systems
  • Offers better flexibility for clearing further wells
  • Reduces intervention times, and ensures that production can resume much quicker

As a direct result of the success of this campaign, the operator has confirmed that it will use Peak’s Torque-Action Debris Breaker tool as the primary system to remove scale/ debris restrictions from now on. The operator believes that the net increase in production thanks to the Torque-Action Debris Breaker tool is in excess of 14 MMscfd in the five wells where production increase was monitored (the average gas production for wells in this field is probably less than 10 MMscfd).

 

Product Code: 117