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E-mail: sales@cmecn.com
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Workover & Wellbore Maintenance Solutions
Restore well productivity, ensure wellbore safety, and minimize unplanned production losses.
Core Value Proposition
CME's Workover & Wellbore Maintenance Solutions focus on providing fast, economical, and reliable operational support for shut-in wells, low-efficiency wells, and oil/water wells with integrity risks.
Our well washing pump skids, coiled tubing auxiliary equipment, small workover rigs, and supporting tools help clients efficiently complete operations such as paraffin removal, scale cleaning, stuck pipe release, fishing, casing repair, and re-completion, quickly restoring production, extending economic well life, and ensuring full lifecycle wellbore safety.
Industry Challenges Faced
· Continuous Production Loss Due to Wellbore Failures: Paraffin deposition, scaling, sand burial, and tubular string sticking cause well shutdowns, resulting in significant daily production and revenue loss.
· High Cost of Conventional Workover Operations: Large workover rigs are expensive and time-consuming, making them uneconomical for many maintenance tasks.
· Unstable Operational Efficiency and Effectiveness: Insufficient wash pressure leads to incomplete paraffin removal; poor equipment reliability causes operational interruptions; tool conveyance is difficult in complex wells (such as deviated/horizontal wells).
· Wellbore Integrity Risk: Casing corrosion and leakage threaten safe production and environment, while traditional remediation techniques involve complex construction and long duration.
Our Integrated Solution
We offer a full range of modular workover equipment from light maintenance to deep repair. The core of our solution utilizes high-efficiency, highly mobile dedicated pump skids and operation devices to replace or supplement traditional large workover rigs, achieving 'minor repairs for quick maintenance, major repairs when needed.'
· High-Pressure Cleaning and Circulation System: High-volume well washing pump skids, hot oil (hot water) paraffin removal trucks, and underbalanced operation devices for removing deposits inside the wellbore, establishing circulation without using kill fluid to protect the reservoir.
· Coiled Tubing Operation Support System: Injector head hydraulic power skids, blowout preventer systems, and supporting tools for coiled tubing operation rigs to enable precise operations in horizontal sections.
· Light Workover and Tripping System: Modular drill/workover rigs, truck-mounted workover units, and hydraulic lifting systems suitable for routine pipe string tripping, pump changeouts, and fishing jobs.
· Wellbore Repair and Monitoring Tools: Casing scrapers, mechanical/chemical plugging tools, downhole camera systems, etc., for diagnosing and repairing wellbore integrity.
Why Choose CME's Solution?
· Rapid Response, Reduced Downtime: Highly skid-mounted equipment allows for quick mobilization and positioning. For regular maintenance jobs, our well washing/paraffin removal solution can be operational within 24 hours, helping wells resume production swiftly.
· Optimized Operational Cost: For many jobs that don't require large workover rigs, using our dedicated pump skid solution can reduce service costs by up to 40%, offering a significantly improved ROI.
· Efficient and Reliable, Tackling Complex Well Conditions: Well washing pump skids deliver consistent high pressure and large flow rates for effective cleaning of horizontal sections. Key components are wear- and corrosion-resistant, adapting to sandy and highly mineralized media to ensure effective operations in complex wellbores.
· Safety and Reservoir Protection: Integrated underbalanced operation technology avoids damage to the producing formation caused by workover fluids. All high-pressure systems are equipped with comprehensive safety overflow and shutdown devices for controlled and safe operations.
System Composition and Typical Applications
· Routine Paraffin Removal and Deblocking for Oil Wells:
Using hot oil paraffin removal trucks or high-pressure hot water well washing skids for periodic removal of paraffin buildup in tubing and screens to maintain normal well production.
· Revival Operations for Low-Efficiency/Shut-In Wells:
Combining well washing skids (to establish circulation), coiled tubing equipment (for tool conveyance), and small workover rigs to handle sand sticking, retrieve dropped objects, and restore wellbore flow paths.
· Casing Inspection and Micro-Repair:
Utilizing coiled tubing-conveyed downhole cameras and memory logging tools for diagnosis, followed by running mechanical liner hangers or performing chemical sealing to restore casing integrity.
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