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O SERIES ORIFICE VALVES

O SERIES ORIFICE VALVES
O SERIES ORIFICE VALVES
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Product Code : 77
Product Description

PARVEEN O Series valves are designed for circulating operations and provide means for communication between the tubing and the tubing/casing annulus.

BENEFITS OF DESIGN PRINCIPLE

  • Cv values for each orifice size are determined with ISA procedures to provide accurate sizing for proper injection rates.
  • Efficiency of back check valve provides large flow capacities.
  • Positive sealing feature of back check valve provides protection from intrusion of production fluids into casing annulus.
  • Various orifice materials (SS, monel, inconel, tungsten carbide)

available to meet application requirements.

OPERATING PRINCIPLE

This valve series design utilizes an orifice (choke) as well as a back check valve for continuous flow operations. Injection fluid or gas enters through the entry ports and through an orifice. Injection pressure moves the back check valve off seat allowing gas or fluids to enter into the tubing. Reverse flow pushes the check valve on seat to prevent flow into the casing.

For injection of fluids or gas from the tubing to the tubing/casing annulus, the design can be modified by replacing the upper packing elements with a spacer. This allows the flow to enter from the top, passing through the valve via the back check and out the bottom of the valve and into the tubing/casing annulus. With this configuration, the valve is installed in a mandrel with a type S pocket which has no ports between the seal bore and vents to the casing/tubing annulus.

Orifice sizes available for this valve design range from 1/8 through 7/16 inch in the 1 inch. size and from 1/8 through 51/64 inch in the 1 ½ inch size, thus making them suitable for a wide range of operating conditions.

 

ENGINEERING DATA FOR ORIFICE VALVES

Type

Assy. No.

Norminal

OD (inch)

Packing OD

(inch)

Port Size

(inch)

Latch Or

End Conn.

Running

Tool

Type

Pulling

Tool

Type

Mandrel

Type

Upper

Lower

Min.

Max.

OM 14R

150-40

1

1-1/32

1-1/32

1/8

7/16

BK-2, M

MR

MP

TMP

OM 20R

150-27

1

1-1/32

1-1/32

1/8

7/16

BK-2, M

MR

MP

TMP

O20R

150-12

1-1/2

1-9/16

1-1/2

1/8

51/64

TG, RK, RM

T-2

RTG, TER

PTG, TRP

TP

OSM-14R

150-05

1

1 - 1/32

1 - 1/32

1/8

7/16

BKP

MR

MP

TMP

OS 14R

150-08

1 - 1/2

1-9/16

1-1/2

1/8

51/64

TFA, PKP

RTG, TER

PTG, TRP

TP



PARVEEN INDUSTRIES PVT LTD
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