Pressure chamber, Size 20 E4 (H013627401RT)
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The Model E-4™ wireline pressure setting assembly (WLPSA™) sets bridge plugs, cement retainers, and production packers on electric wireline. It's used with a casing collar locator for correlation of exact setting depth. The Model E-4 WLPSA is a gas-generating tool for the gradual development of hydraulic force required to set wireline deployed tools. Gas pressure is obtained by the electrical ignition of a BP-3S™ igniter that activates the secondary igniter and the power charge.
The Model E-4 WLPSA incorporates a disk bleeder valve to ensure safe and simple pressure bleed-off prior to disassembly after being run. The firing head connects the Model E-4 WLPSA to the collar locator on the electric wireline, providing electrical ignition of the powder charge through the primary and secondary igniters. The top end is blank, so threads can be machined to fit the electric wireline provider's collar locator. The firing head is available separately.
Our Model E-4 HP/HT wireline pressure setting assembly (WLPSA) is used for the gradual development of force through pressure, which operates the WLPSA in proper sequence. This ensures successful setting of bridge plugs, retainer production packers, cement retainers, and other tools deployed on wireline. It has a temperature rating of 450 deg. F [232 deg. C] and a pressure rating of 25,000 psi.
- Proven design has been the "Industry Standard" for many years
- Incorporates a disk bleeder valve to ensure safe and simple pressure bleed-off
- 450 deg. F [232 deg. C] temperature rating
- 25000 psi pressure rating
The proper size wireline adapter kit is installed in the packer. The packer and adapter kit are then connected to the pressure setting assembly which is run to setting depth on the electric wireline. A small charge of electrical current transmitted through the electric wireline ignites the power charge in the setting assembly, gradually building up gas pressure. This pressure produces the controlled force necessary to set the packer. When the prescribed setting force has been applied, the release lug in the wireline adapter kit separates, thereby freeing the setting equipment for retrieval.
The E-4™ wireline pressure setting assembly (W.L.P.S.A.) is a device in which the products of combustion are utilized for the gradual development of force through pressure. This motive force operates the various working parts of the W.L.P.S.A. in a proper sequence to ensure the successful setting of Baker Hughes bridge plugs, retainer production packers, cement retainers, and other products.
The pressure required is built up through a slow-set power charge, (Product Family No. H43766), or a standard power charge, (Product Family No. H43764). For specifics on all power charges and igniters view our Slow-Set Power Charge, Standard Power Charge, Secondary Igniter, BP-3S and BP-4S Igniter product pages (Product Family Nos. H43766, H43764, H43743, H43744).
The setting pressure is confined to the proper area of the setting tool through the use of O-ring seals. It is of critical importance that all O-rings be maintained in perfect condition and replaced after each use.
The E-4 wireline pressure setting assembly incorporates a piercing disk bleeder system to provide a safe, easy method of bleeding off trapped pressure before disassembling the W.L.P.S.A. after it has been run.