Flap Valve Float Collar

Product specification is 4 1/2-5/8 PDC dirll or roller roller bit can drill

Application:

 Use the flap valve automatic fill slurry collar, during the casing operation ,the slurry  flow into sleeves automatically reduce the casing time minimize the impact on the floor. Before casting ball  ,and good for circulation anytime will not advance the case of conversion.

Characteristic:

1,Product specification is 4 1/2-5/8”

2,In the small dimension sleeves to use this product will reduce the casing significantly when the impact of the formation

3,Complete conversion with a drop ball after a product can continue to covert the lower part of other similar products

4,Product button type currently only API oval buckle

5,When the inclination is larger  than 25° needing a falling ball release mechanism.

6,Significantly reduce role in the formation of emotional stress can shorten the time of casing.

7,Special cut structure of the flap valve keep open. This shear structure of both a good seal and easy to cut control

8,PDC  dirll  or roller roller bit can drill

9,When using this float collar , the bottom of the guide shoe to the right series to ensure that flow is not cut  and the short tube blocked up.

,Main technology index

Function parameter
Applicable dimension of sleeve		tools
External diameter	weight	External diameter	Whole diameter	length	Self filling hole	Cycle hole	Diameter of fall ball	Conversion diameter
in	lbs/ft	in	in	in	in	in	in	psi
5 1/2	17.00-23.00	6.050	4.787	10.75	0.810	1.750	1.500	800-600
6 5/8	20.0032.00	7.390	5.944	11.50
7	23.0038.00	7.660	6.270	11.75
7 5/8	26.4047.10	8.500	6.864	12.00

                       

Flap Valve Float Collar