Long-lateral restriction in west Texas diagnosed in one run by Camera-Caliper Combo on Well Tractor®
Well typeOil producer
Bottom hole temperature180° @ 12,000 ft
Max. depth23,512 ft
Total distance tractored11,583 ft (3,530m)
The operator opted for a downhole video camera and a multi-finger caliper tool paired with the Well Tractor to identify the restriction. Conveying the camera and calipers would provide surface personnel a live video feed so they could make decisions based on both caliper data and visual of the ID of the well.
At each of these anomalies, live video showed ovalization ~1–2 ft above each collar.
The run identified one other anomalous casing collar located at 14,686 ft but video showed only debris, no ovalization.
The live data and video from the caliper tool and camera helped personnel identify the anomalous readings as over-torqued collars with some buckling above the collars. E-line tractor interventions can succeed in place of heavier methods, like CT, and provide operators with additional, useful tools integrated into a single run in hard-to-reach laterals.
The Well Tractor was regarded as a revolution in the industry when it was introduced in the 1990’s. It enables operators to extend the reach of traditional e-line deployment into highly deviated and horizontal wells.