Yusuf, Zulkarnaen (2022) REAKTIVASI SUMUR SUSPENDED DENGAN WORKOVER DAN PERTIMBANGAN KEEKONOMIAN DI LAPANGAN BATANG PT PERTAMINA HULU ENERGI SIAK. Diploma thesis, UPN "Veteran" Yogyakarta.
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Abstract
ABSTRACT
Sand production problems are common in oil fieldsfrom producing sandstone
formation in shallow to deep depths. Sand production begins to occur if the stress
experienced by the formation has exceeded the strength of rock formations, the
strength of these rock formations which is the natural strength of rock cementing
materials in maintaining the unity of grains - grains of sandstone in formation. The
cementation factor of rocks also affects the compactness of formations that cause
sand problem, otherwise sand production is very sensitive to the production rate,
where at critical production rates, sand will be produced. Stronger sandstone
formations (competent) may not produce sand at the beginning of production but
after a certain production period begins to occur sand production.
There are production wells that are suspended due to problems of high
severity causing increased frequency of rig service use in conducting well
intervention, causing increased operational costs. Some suspended wells are
believed to still have considerable oil potential to be reproduced and may
contribute to increased oil production of the field.
Some methods to prevent sand problem are using gravel pack to prevent sand
entering the wellbore, but cause reduced permeability of wells due to fine particles
mixed with gravel pack, installation of sand screen in intake pump that serves to
prevent the entry of sand in the pump, but this causes pump off due to sand covering
the intake pump (plugging), installation of tubing pump with high clearance to
prevent pump stuck , but still cause production loss due to the accumulated sand in
the tubing pump. Another effort to install Progressive Cavity Pump (PCP) as an
artificial lift method is a solution to produce wells with excessive sand producing
in order to be able to produce continuously. PCP basic principle where the rotor
movement mechanism against the stator to pass the production fluid including the
sand that is attached to the surface so that the problem of pump stuck as a result of
sand accumulate can be overcome. In addition to the ability to handle the flow,
PCP provides a fairly high level of pump efficiency.
Keywords: unconsolidated formation, suspended well, sand problem, well
intervention, pump stuck, Progressive Cavity Pump, rotor and stator.
| Item Type: | Thesis (Diploma) |
|---|---|
| Uncontrolled Keywords: | unconsolidated formation, suspended well, sand problem, well intervention, pump stuck, Progressive Cavity Pump, rotor and stator. |
| Subjek: | T Technology > T Technology (General) T Technology > TN Mining engineering. Metallurgy |
| Divisions: | x. Faculty of Engineering, Science and Mathematics > School of Civil Engineering and the Environment |
| Depositing User: | Eny Suparny |
| Date Deposited: | 17 Mar 2022 04:55 |
| Last Modified: | 17 Mar 2022 04:55 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/29062 |
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