Oilfield Hydraulic/Michanical Cementing Two Stage Collar (DV collar)

7" oilfield hydraulic/mechanical cementing secondary coupling (DV coupling)

Features:

1, the opening pressure is adjustable, not affected by the Angle of the hole.

2. The pressure relief design prevents fluid retention and compression during the shutdown phase of tool operation.

3. The inner diameter of the upper and lower joints is the same as the casing, but smaller than the inner diameter of the casing, which can minimize the probability of casing damage.

4. The inner seat is made of nitrile rubber/aluminum material which is easy to drill. The opening and closing seats are locked to prevent rotation for easy drilling out.

API 7" oilfield hydraulic/mechanical cementing secondary coupling (DV coupling)

Packaging

After Sales Warranty

7" oilfield hydraulic/mechanical cementing secondary coupling (DV coupling)

Features:

1, the opening pressure is adjustable, not affected by the Angle of the hole.

2. The pressure relief design prevents fluid retention and compression during the shutdown phase of tool operation.

3. The inner diameter of the upper and lower joints is the same as the casing, but smaller than the inner diameter of the casing, which can minimize the probability of casing damage.

4. The inner seat is made of nitrile rubber/aluminum material which is easy to drill. The opening and closing seats are locked to prevent rotation for easy drilling out.

API 7" oilfield hydraulic/mechanical cementing secondary coupling (DV coupling)