8/13/2019 Top-Co - AutoFill - BV & HF Valves

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TOP-CO LP

Auto Fill BV & HF Valves

The Top-Co plunger valve can be configured to work as a straight check valve or may be

ordered with the auto fill option. The auto fill option allows for filling of the casing

during run in operations.

The auto fill feature uses balls which a placed in the 3rd

groove (only) on the shaft

holding the plunger in the open position

Auto-fill balls(3

rdgroove only)

Figure 1: BV Valve in auto fill position Figure 2: HF Valve in auto fill position

When this valve is ordered in the auto fill configuration care must be taken during the

running in of the casing to prevent sudden stops or erratic movement. Erratic movementmay cause the fluid to obtain the flow rate required to trip the valve.The auto fill can be

field set to one of three positions. The different positions determine the rate at which the

casing can be filled as it is run into the well.

The method by which the valve becomes converted to a conventional check valve is bypumping fluid through the valve at a predetermined rate which forces the valve open andreleases the balls set around the stem of the valve.

The valve may only be tripped on one occasion.

7720- 17 St r eet Edmont on, Al ber t a, Canada T6P 1S7Telephone: ( 780) 440- 4440 Fax: ( 780) 440- 4443Toll Free: 1- ( 866) 640- 4440 (USA and Canada Onl y)General Enquiries: sal es@t op- co. caWebsite: www. t op- co. ca Rev 1

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8/13/2019 Top-Co - AutoFill - BV & HF Valves

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TOP-CO LP

Auto Fill BV & HF Valves

The valve can be field set to allow fill-up prior to running when this option has beenordered in single valve equipment. For multiple valve equipment auto fill must be factory

set at time of manufacture.

1. SETTING THE AUTO FILL FEATURE

The Type 225 Float Collar and Type 226 Float Shoe with Auto Fill-up Plunger

Ball Valve are designed for multiple function use in vertical and horizontal wells.The valve and cement can be drilled with either PDC bits or conventional rotarytri-cone bit.

To convert the float collar and float shoe for automatic fill-up operation thefollowing installation procedure must be completed.

a. Gently depress the plunger from the Box end of the equipment to the 3rdgroove position; plunger should be fully depressed - the third groove

visible in the stem of the valve when the ball valve is fully compressed.

The illustration below is of a valve fully compressed

NOTE: Using excessive force to open the plunger valve may cause

damage to the valve.

7720- 17 St r eet Edmont on, Al ber t a, Canada T6P 1S7Telephone: ( 780) 440- 4440 Fax: ( 780) 440- 4443Toll Free: 1- ( 866) 640- 4440 (USA and Canada Onl y)General Enquiries: sal es@t op- co. caWebsite: www. t op- co. ca Rev 1

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8/13/2019 Top-Co - AutoFill - BV & HF Valves

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TOP-CO LP

Auto Fill BV & HF Valves

b. Take the four 1/4" brass balls and position equally around the grooveplunger shaft and ball seat.

Auto-fill balls

(3rd

groove only)

c. Slowly release plunger ball while holding brass balls in place.d. Inspect location of brass balls to ensure proper installation. When

installed, the plunger ball rod should be centered within the lower ballseat.

e. Re-inspect at location prior to making equipment up on casing.

7720- 17 St r eet Edmont on, Al ber t a, Canada T6P 1S7Telephone: ( 780) 440- 4440 Fax: ( 780) 440- 4443Toll Free: 1- ( 866) 640- 4440 (USA and Canada Onl y)General Enquiries: sal es@t op- co. caWebsite: www. t op- co. ca Rev 1

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TOP-CO LP

Auto Fill BV & HF Valves

7720- 17 St r eet Edmont on, Al ber t a, Canada T6P 1S7Telephone: ( 780) 440- 4440 Fax: ( 780) 440- 4443Toll Free: 1- ( 866) 640- 4440 (USA and Canada Onl y)General Enquiries: sal es@t op- co. caWebsite: www. t op- co. ca Rev 1

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2. FLOW RATES

Based upon average weight and viscosity drilling mud, the following are the rates

(BPM) at which casing will fill as it is run into the well.

4 1/2 to 6 5/8 Float

(2 1/2 Valve)

7 to 13 3/8

(3 Valve)

16 to 30

(4 Valve)

Valve Type Ball

Valve

High Flow Ball

Valve

High Flow High Flow

Position 3 8 8 13 16 25

The following are the circulating rates (BPM) required to convert the valve from

an auto fill-up to a back pressure valve depending.

4 to 6 5/8 Float

(2 1/2 Valve)

7 to 13 3/8

(3 Valve)

16 to 30

(4 Valve)

Valve Type Ball

Valve

High Flow Ball

Valve

High Flow High Flow

Position 1 3 3 4 4 6

Position 2 5 5 7 7 17

Position 3 8 8 14 17 26

3. RUNNING OF AUTO FILL TOOLS

When running casing in the automatic fill-up configuration, care must be taken tocontrol conditions to avoid premature conversion to a back pressure valve by:

a. Sudden movement, jerking or vibration of the casing during running operations.This may be caused by setting the slips while the casing is still moving or landing

the casing string against a severe dogleg or shoulder in hole.

b. Lifting the casing too fast. When using the auto fill-up valve, do not exceed liftingrate (FT/MIN) calculated by dividing 2.8 BPM by the capacity (BBL/FT) of

casing. i.e. 9 5/8" 47 PPF casing has capacity of 0.0732 BBL/FT and maximum

lifting rate is 2.8 divided by 0.0732 equals 38.25 FT/MIN maximum lifting rate