SOP for Tripping Out Frac Tree & Installing Production Tree
Introduction
One of the integral part of this process is getting from a frac tree to a production tree, which is a completely structured well integrity and risk minimized transfer method.
Featured Article: Comprehensive SOP to Remove Frac Tree and Install Production Tree for Efficiency, Safety and Regulatory Compliance
1. Preparatory Steps
Before beginning the migration, necessary safety measures should be adopted:
✔Deploy and creep mechanical tubing plugs as 'PR' or 'RO' plugs for wellbore isolation.✔Check the BPV setting and functionality to limit the pressure while performing the task.
✔Shut the Multi-Level Master Valve (MLMV) to segment the system and avoid undesired flow.
✔Such advance preparations provide a level of control over the environment and minimize risks before taking any further steps.
2. Removal of Frac Tree
✔Nipple down the 5” frac tree Possibly in an orderly (if allowable) manner to comply with standard safety protocols/guidelines.
✔All flow paths must be properly isolated prior to tree removal
✔Perform visual examinations to check for any wear, damage or integrity problems.
✔Operators graze past the smooth transition of the next phase by carefully dismantling the frac tree.
3. Installation of Production Tree
✔(MP) Nip in the 5” production tree, use tab to align.
✔The prevent leakage, a new ring gasket, properly sized should be installed between the MLMV and production tree.
✔Perform Initial Torque Checks on all critical mating surfaces.
✔Correct Installation Ensures Production System Integrity and Smart Operational Reliability
4. THE INSTALLATION OF ADAPTER FLANGES AND ‘LO-TORQUES’
✔Apply adaptor flanges and ‘Lo-torques’ to the Tubing Kill Valve (TKV) and Outlet High-Pressure Wing Valve (OHWV). However, be sure all connections are torqued to specifications, Bring to attention any possible blockages in the flow paths through the valve. They are an integral part of controlling pressure and flow, so proper installation is key!
5. Pump and Injection Line Setup
→ Connect the service company pump → and → injection line → to the 'Lo-torque' on the → TKV.
✔All connections should be checked for tightness and leak-free assembly
✔To avoid pressure variations while testing, align correctly.
✔An erase, which is automatically triggered flanks the write as a process while ensuring fluid injection takes place without expensive pressure surges and preserves system stability with a small buffer size.
6. Pressure Testing
✔Shut all a relevant valve and pressure test injection line with water to 12,000 psig.
✔Check for leaks, fluctuations or weak seals.
✔Pop-offs set to 10,200 psig.
✔Comprehensive pressure testing verifies the system can withstand high pressure environments without compromising safety.
7. Functional Testing
Conduct function tests on:
✔Hydraulic Master Valve (HMV)
✔IHWV: Inlet high-pressure wing valve
✔Outlet High Pressure Wing Valve (OHWV)
✔Control Valve (CV)
✔Check that every valve is completely operational and answers.
✔Fix any mechanical or hydraulic problem first.
✔Ensuring the functional integrity of these valves guarantees operational integrity during production.
8. System Flushing
✔We open pertinent valves to enable flushing through the choke manifold and CV needle valve.
✔USE clean water to remove entrapment air in the system.
✔Verify full circulation and clean flow paths.
✔Hot flushing is important to remove contaminants and air pockets and improve efficiency and prevent contamination.
9. Pressure Up Procedure
✔Increase tree pressure to 2,000 psig using a 70% water and 30% glycol mixture.
✔Perform leak checks on every 2,000 psig increment up to 10,000 psig.
✔All connections remain secure as they come under increased stress.
✔Controlled pressurization of the system guarantees system stability and reveals possible vulnerable points before the system is fully pressurized.
10. Pressure Maintenance
✔Pressure hold 30 minutes at 10,000 psig
✔Look out for pressure drops, leaking, or instability.
✔Carry out final valve integrity checks.
✔Pressure on up keeps the tree's ability to operate safely at full load
11. Pressure Equalization
✔Bleed down pressure off of the tree to equalize with the MLMV.
✔Maintain balanced states for all valves.
✔Confirm good stable well conditions before completing the process.
✔To maintain system balance, system pressure equalization is crucial to prevent surge.
12. Finalization and Security
✔Lock all valves on the Production Tree.
✔Ensure all mechanical seals, gaskets, and fittings are correctly positioned.
✔Store final operational parameters for compliance
✔The final step ensures that the production system is ready, it prevents attack and continues to be productive in the long-run.
Conclusion
Seamless oil and gas extraction requires the efficient removal of a frac tree and installation of a production tree. By adhering to this structured SOP, operators can improve the safety, efficiency, and integrity of systems with lower operating risk. By adhering to these best practices, you would be ensuring industry standards compliance while, of course, also boosting productivity in the field.
The advent of something like standardized procedures will definitely bring up a lot to the sustainable energy operations that will make the production processes of the oil and gas industry more safe and effective.
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