01
Casing-deformation milling and reach
Use small-diameter Shockwave hydraulic oscillator, mud motor, and mill combinations to improve passability and long-lateral reach in deformed casing.
Coiled tubing operation cases
Coiled tubing cases cover CT conveyance, milling, fishing, cutting, wellbore cleanout, velocity string, and long-lateral reach, showing tool combinations, operating constraints, and result review.
Coiled Tubing Processes and Field Case Entries
Review coiled tubing applications by casing-deformation plug milling, long-lateral reach, hydraulic cutting, fishing recovery, and jet-assisted propulsion and cleanout.
01
Casing-deformation Plug Milling and Horizontal Reach Case
Review a severe casing-deformation case using a 2-1/8 in small-diameter Shockwave hydraulic oscillator tool string for plug milling, cleanout, and reach.
View process and case detail02Coiled Tubing Long-Lateral Reach Case
Review tool combinations for high friction, conveyance difficulty, and passability constraints in long laterals.
View process and case detail03Coiled Tubing Hydraulic Tubing Cutting Case
Review hydraulic cutter and anchor application for tubing cutting, anchoring stability, and workover recovery.
View process and case detail04Coiled Tubing Motor Rotor Fishing Case
GY16-Q19-H37 motor rotor fish recovery after a 3 1/8 in motor worked 140 hours, using low-speed motor and 105×51 slip overshot.
View process and case detail05Hydraulic Jet Propulsion Assisted Milling and Cleanout Case
Review a hydraulic jet propulsion tool and mill combination for long-lateral plug milling, conveyance friction, and debris transport.
View process and case detail06Automatic Downhole Diverter Valve Field Case
JY22-Z3HF plug milling case using automatic bypass diversion to improve annular debris transport while protecting mud motor operation.
View process and case detail07All-metal Mud Motor Nitrogen-foam Plug Milling Case
Shale gas horizontal well using a 3 1/8 in all-metal mud motor and high-efficiency mill for multi-plug nitrogen-foam milling.
View process and case detail08HPHT Coiled Tubing Plug Milling Case
180-204°C HPHT well records showing high-temperature mud motor, HPT rubber system, and multi-well plug milling field results.
View process and case detailSimilar application directions
02
Long-lateral reach
Configure oscillators, connectors, and installation aids around friction, conveyance, flow rate, pressure drop, and tool passability.
03
Hydraulic tubing cutting
Configure hydraulic cutters, anchors, and CT supporting tools for target tubular cutting and subsequent recovery.
04
CT fish recovery
Use slip overshots, extended barrels, low-speed motors, and release tools for parted CT fish and deformed fish tops.
05
Jet propulsion and debris transport
Use hydraulic jet propulsion with milling tools to improve long-lateral conveyance, milling support, and debris transport.
06
Automatic diversion and annular transport
Use automatic bypass flow distribution to improve debris return while keeping the mud motor within its operating window.
07
Nitrogen-foam plug milling
Use all-metal mud motor, high-efficiency mill, and nitrogen-foam circulation to support multi-plug milling and debris transport.
08
HPHT plug milling
Configure high-temperature mud motors and milling BHAs around 200°C-class rubber, sealing, bearing, and torque-output challenges.
Related technical paths
Coiled tubing solution
Review coiled tubing operation solutions.
CT tools
Review coiled tubing tool family.
Testing and maintenance
Review testing and maintenance service.
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