Description

5″ x 15000 psi Multicycle Circulating Valve DST tools

Product Description

Payment & Shipping Terms Supply Capacity
Unit Price: 100.0 USD Production Capacity: 30 pcs/month
Trade Term: FOB,CFR Packing: polywood case
Payment Terms: L/C, D/A, T/T Delivery Date: 7 days
Min. Order: 1 Piece/Pieces
Means of Transport: Ocean, Air, Land

5″ x 15000 psi Multicycle Circulating Valve DST tools

Drill stem testing OMNI valve

Introduction of the OMNI Valve

OMIN Vale is acceptable for the full-opening formation testing in cased hole, oil tube tradition perforation, tube string testing and cycle operation in the conjunction of perforation and full-opening formation testing. It overcomes the shortcomings of some other circulating valve, at a certain position, can use the annulus pressure to operate other tools many times and there is no influence upon the OMNI circulating valve.

Working principle of OMNI Valve

OMNI circulating valve completes the function by increasing and releasing the annulus pressure .

According to the construction features it can be learned when increasing the annulus pressure, the piston push the hydraulic oil to move to the left, and the hydraulic oil push the check valve assemblies to move to the left until to the upper dead point, then the hydraulic oil pass the passageway and push the floating piston in the nitrogen chamber, thus the pressure is saved in the nitrogen chamber.

When releasing the pressure, because the pressure in nitrogen chamber is above the annulus

pressure ,the nitrogen pressure push the floating piston in the nitrogen chamber and then to hydraulic oil move to the right, the check valve assemblies to move to the right under pushing of hydraulic oil until

to the lower dead point, the hydraulic oil make the nitrogen pressure equal to the annulus pressure.

No Specification 5″
1 OD 127.5mm
2 ID 57mm
3 Length 6555mm
4 Working pressure 105Mpa
5 Ball valve Open Differential pressure 35Mpa
6 Ball valve top and bottom differential pressure 70Mpa
7 Internal Pressure strength 146Mpa
8 External pressure strength 136Mpa
9 Tensile strength 2034KN
10 Torque strength 31.6KN.m
11 Circulating Flow area 2280mm2
12 Service H2S,NACE MR0175(>175oF)
13 Working temperature -29℃+204℃
14 Connection thread 3 7/8″CAS.B×P or 3 1/2″IF.B×P