A, product type, name

FH18-35 annular BOP models which are as follows

FH 18 - 35

Rated working pressure Mpa

Nominal diameter of CM

The annular BOP (spherical rubber core)

Two, use

The annular BOP is the blowout preventing drilling process, the important equipment for the effective control of formation pressure. It can be matched with the hydraulic control system used alone, can also be used in combination with ram blowout preventer. Specific can perform the following operations:

1, can be sealed for 0 ~ 180mm (0 ~ 7 ") within the scope of the Kelly, drill pipe, drill pipe, drill collar, wire rope, and can seal the empty wells.

2, in the well sealed case, play with 18 ° slope joint drill.

3, with the pressure well, choke manifold with the use, realize balanced pressure drilling, drilling and other operations to meet the requirements of.

Three, the main technical parameters and dimensions

Model: FH18-35

The rated working pressure: 35MPa (5000Psi)

Vertical path: 180mm (7 1/16)

Close range: 0 ~ 180mm

Control the hydraulic oil pressure: 8.4 ~ 10.5 Mpa

Working medium: oil, natural gas, water, mud

Operating temperature: -29 ℃ ~+121 ℃

Size (width * height): Φ 745 × 798

Four, structure

The annular BOP is mainly composed of a casing, top cover, a piston, a support ring, rubber core and sealing, wear ring and other components, as shown in fig..

Five, work principle

When the overflow need to seal the well blowout prevention, operation of hydraulic control device of driller's console (or remote console) annular BOP control handle, which is in the "off" position, when the annular blowout preventer cylinder piston cavity (closed cavity) into the oil, the piston is pushed up, the piston and push the rubber core uplink hemispherical shape, the hemisphere cover limits, rubber core upstream process also shrink to the center, and the supporting rib of metal are mutually close, thus squeezing between rubber, to the wellhead void filling to seal the annular space between the drilling tool and the wellhead or completely closed to Solai Guchi.

Otherwise the need to open the mouth, will be the drill floor annular BOP control handle to move the "open" position, so that the piston cavity (Kai Qiqiang) into the oil, the piston down, the rubber core in its elasticity and gravity, to restore the original shape, and down, to open the mouth to.

Six, the installation and use of

The annular BOP in to the site before, must be in the tube station was closed test, the test pressure for the rated working pressure, qualification tests and testing, can be transported to the site to use.

1, the installation should be correct placement of seal ring, a good stud, according to the prescribed tightening torque, nut tightening studs symmetry.

2, installation of hydraulic control pipeline, open shimonoseki. Well, we must first, whether the switch console and signs consistent, normal drilling, annular preventer should be in the open position.

3, after installation, pressure test.

In the well to drill or other tube, in the drill pipe is epithelial bowl or the test plug and into the wells 70 meters sealed casing, lifting rod method or by pressure test pump pressure preventer test, pressure rated working pressure, observe the connection flange and blowout preventer itself has no leakage phenomenon.

When in use:

1, the annular BOP with the fluid control device with separate pressure regulating valve, under normal circumstances, should be controlled by fluid pressure in the 8.5 ~ 9Mpa, to extend the service life of rubber core.

2, as far as possible without rubber core sealing air mouth, to prevent premature failure of the rubber core.

3, use of forced tripping annular BOP, you must configure the small energy storage device and the use of drill pipe joint with 18 DEG shoulder. Forced to play, in order to ensure the sealing, should try to control pressure down, should make the surrounding pipe leakage and minimal, the rubber core enclosed pipe is slightly moist, reducing friction (not to spray shall prevail), and should make the trip strict control of speed, not too fast, to slow slow.

Avoid opening the annular BOP pressure should be 4, in use, to avoid high pressure fluid stab glue core.

5, drilling to objective layer, must strengthen the blowout preventer on ring check, every day in the well a drill without well under pressure, switch time, to prevent the rubber core card dead. Or with the oilfield regulations, test blowout preventer.

6, is not recommended for long-term use closed annular wellhead blowout preventer.

7, if you are forced to the well site and in the well drilling tool replacement of the rubber core, the new, old rubber core with a knife cut open a hole, with the crowbar, soapy water to assist the disassemble rubber core.

8, when the risk occurs, the drilling platform or drilling, our rig or remote control console annular preventer handle, placed "off" position can be closed wellhead within 30 seconds, otherwise can open the mouth.

Seven, fault diagnosis and repair measures

1, the rubber core cannot seal leakage, jet column.

The rubber core damage, or the use of the cycle is too long, the rubber core aging, cracking, fall off, can replace the rubber core.

2, the fluid into the cylinder.

Because of the sealing failure or wall injury, so that seal failure. A replaceable seal after injury; a spraying repair or contact the factory repair.

3, the hydraulic oil leakage

Switch oil cavity channeling oil or hydraulic oil into the well. The reason is the sealing ring sealing surface damage or injury caused by. Through the replacement or repair the seal or face.

Eight, pay attention to the provisions of rubber storage:

According to the storage time, sequentially numbered, the use of advanced use first principles;

1, must be kept in a dark and dry room, the best in the air-conditioned room, the room temperature is about 20 ℃; not and oil, chemicals, hard mix;

2, the general inventory period not to exceed one year;

3, rubber pieces should be placed freely, without the heavy pressure device.

FH28-35 annular BOP

A, product type, name

FH28-35 annular BOP models which are as follows

FH 28 - 35

Rated working pressure Mpa

Nominal diameter of CM

The annular BOP (spherical rubber core)

Two, use

The annular BOP is the blowout preventing drilling process, the important equipment for the effective control of formation pressure. It can be matched with the hydraulic control system used alone, can also be used in combination with ram blowout preventer. Specific can perform the following operations:

1, can be sealed for 0 ~ 279.4mm (0 ~ 11 ") within the scope of the Kelly, drill pipe, drill pipe, drill collar, wire rope, and can seal the empty wells.

2, in the well sealed case, play with 18 ° slope joint drill.

3, with the pressure well, choke manifold with the use, realize balanced pressure drilling, drilling and other operations to meet the requirements of.

Three, the main technical parameters and dimensions

Model: FH28-35

The rated working pressure: 35MPa (5000Psi)

Vertical path: 279.4mm (11 ″)

Close range: 0 ~ 279.4mm

Control the hydraulic oil pressure: 8.4 ~ 10.5 Mpa

Piston diameter: 965.5mm

The piston stroke: 160mm

Working medium: oil, natural gas, water, mud

Operating temperature: -29 ℃ ~+121 ℃

Size (width * height): Φ 1138 × 1065

Four, structure

The annular BOP is mainly composed of a casing, top cover, a piston, a support ring, rubber core and sealing, wear ring and other components, as shown in fig..

Five, work principle

When the overflow need to seal the well blowout prevention, operation of hydraulic control device of driller's console (or remote console) annular BOP control handle, which is in the "off" position, when the annular blowout preventer cylinder piston cavity (closed cavity) into the oil, the piston is pushed up, the piston and push the rubber core uplink hemispherical shape, the hemisphere cover limits, rubber core upstream process also shrink to the center, and the supporting rib of metal are mutually close, thus squeezing between rubber, to the wellhead void filling to seal the annular space between the drilling tool and the wellhead or completely closed to Solai Guchi.

Otherwise the need to open the mouth, will be the drill floor annular BOP control handle to move the "open" position, so that the piston cavity (Kai Qiqiang) into the oil, the piston down, the rubber core in its elasticity and gravity, to restore the original shape, and down, to open the mouth to.

Six, the installation and use of

The annular BOP in to the site before, must be in the tube station was closed test, the test pressure for the rated working pressure, qualification tests and testing, can be transported to the site to use.

1, the installation should be correct placement of seal ring, a good stud, according to the prescribed tightening torque, nut tightening studs symmetry.

2, installation of hydraulic control pipeline, open shimonoseki. Well, we must first, whether the switch console and signs consistent, normal drilling, annular preventer should be in the open position.

3, after installation, pressure test.

In the well to drill or other tube, in the drill pipe is epithelial bowl or the test plug and into the wells 70 meters sealed casing, lifting rod method or by pressure test pump pressure preventer test, pressure rated working pressure, observe the connection flange and blowout preventer itself has no leakage phenomenon.

When in use:

1, the annular BOP with the fluid control device with separate pressure regulating valve, under normal circumstances, should be controlled by fluid pressure in the 8.5 ~ 9Mpa, to extend the service life of rubber core.

2, as far as possible without rubber core sealing air mouth, to prevent premature failure of the rubber core.

3, use of forced tripping annular BOP, you must configure the small energy storage device and the use of drill pipe joint with 18 DEG shoulder. Forced to play, in order to ensure the sealing, should try to control pressure down, should make the surrounding pipe leakage and minimal, the rubber core enclosed pipe is slightly moist, reducing friction (not to spray shall prevail), and should make the trip strict control of speed, not too fast, to slow slow.

Avoid opening the annular BOP pressure should be 4, in use, to avoid high pressure fluid stab glue core.

5, drilling to objective layer, must strengthen the blowout preventer on ring check, every day in the well a drill without well under pressure, switch time, to prevent the rubber core card dead. Or with the oilfield regulations, test blowout preventer.

6, is not recommended for long-term use closed annular wellhead blowout preventer.

7, if you are forced to the well site and in the well drilling tool replacement of the rubber core, the new, old rubber core with a knife cut open a hole, with the crowbar, soapy water to assist the disassemble rubber core.

8, when the risk occurs, the drilling platform or drilling, our rig or remote control console annular preventer handle, placed "off" position can be closed wellhead within 30 seconds, otherwise can open the mouth.

Seven, fault diagnosis and repair measures

1, the rubber core cannot seal leakage, jet column.

The rubber core damage, or the use of the cycle is too long, the rubber core aging, cracking, fall off, can replace the rubber core.

2, the fluid into the cylinder.

Because of the sealing failure or wall injury, so that seal failure. A replaceable seal after injury; a spraying repair or contact the factory repair.

3, the hydraulic oil leakage

Switch oil cavity channeling oil or hydraulic oil into the well. The reason is the sealing ring sealing surface damage or injury caused by. Through the replacement or repair the seal or face.

Eight, pay attention to the provisions of rubber storage:

According to the storage time, sequentially numbered, the use of advanced use first principles;

1, must be kept in a dark and dry room, the best in the air-conditioned room, the room temperature is about 20 ℃; not and oil, chemicals, hard mix;

2, the general inventory period not to exceed one year;

3, rubber pieces should be placed freely, without the heavy pressure device.

FZ, 2FZ28-35 of ram blowout preventer

One, the product model

FZ, 2FZ28-35 single, double ram BOP models which are as follows:

(2) FZ 28 - 35

Rated working pressure MPa

Nominal diameter cm

Single ram type blowout preventer

Add "2" said after the double ram BOP

Two, the main use of

BOP is designed to effectively control the blowout in the process of drilling, single, double ram BOP can be used alone, can also be combined to use, also can be used in conjunction with the annular bop.

When the site without electricity, gas source, can also be used manually locking device of closed wellhead. For the long closed wellhead, after hydraulic closed wellhead, to prevent the hydraulic system pressure and closed, can use manual locking device, the gate lock, prevent leakage caused by the gate. It should be noted: manual locking device can not open the mouth.

Specific activity:

1 when the drill tools in hole, it can be a closed casing and drill pipe, the annular space between or the casing and tubing, it is equipped with 2 7/8, 3 1/2, 4 1/2 "", 5 ", 5 1/2" and the complete sealed flashboard, drill can be closed above the specification.

2 when there is no drill hole, with the complete sealed flashboard can seal the well completion.

3 in order to effectively control the formation pressure, it can kill, choke manifold with the use, realize balanced pressure drilling.

4 can realize the pressure well, well washing and other special operations in the case of closed wellhead.

Three, the main technical parameters and dimensions

Model: FZ28-35: single ram type blowout preventer

2FZ28-35: double ram BOP

The rated working pressure: 35Mpa (5000PSI)

Nominal diameter: 279.4mm (11 ″)

Strength test pressure: 70Mpa (10000psi)

The piston stroke: 164mm

Cylinder diameter: 240mm

Double gate side outlet path: 80mm

Four, structure

Ram type blowout preventer mainly comprises a shell, a side door, cylinder, piston, piston rod, the locking shaft, and the gate until the main components. The blowout preventer oil channel parallel built-in circuit. Thick wall cylinder, oil pressure switch, manual locking, the gate of double assembly type gate, convenient repair.

Five, work principle

The hydraulic control device of the pipeline and BOP closed cavity, cavity is opened. To close, the hydraulic oil into the closed cavity cylinder, push the piston to move to the wellhead center, drive the gate also moves to the center, so as to hold the drill (or empty wells) to seal the well to. Need to open, only opening into the oil chamber, a piston outward, drive the gate outward movement.

Gate rubber core for rubber products, hydraulic driven and sealing surface tightly, and because the pressure effect on the gate to gate seal cavity semi ring rubber and casing tightly, sealing the gate at the top, the pressure disappears, rubber deformation automatic recovery, in the well under pressure, you can to help seal effect.

Six, the installation and use of

1, installation

A. ram BOP in to the site before, to seal pressure test, pressure rated working pressure, qualified rear can transport.

B. ram blowout preventer manual locking device operating rod should be located in the derrick on both sides of the door, with bypass holes should be facing the door, to observe the side of piston rod seal leakage.

C. cleaning pad ring groove, placing pad ring, according to the recommended torque symmetric uniformly tighten the nut.

D. anti ram preventer installed and should be well used drill uniform size.

The installation of E. hydraulic control pipeline, and the driller's console, remote console consistent.

F. and observe whether the manual locking device in safety unlocking state, check the connection part is fastened.

2, test run

A. installation and inspection, shall be the wellhead pressure test, to check the connecting parts of the sealing performance is reliable, the test pressure for the rated working pressure, pressure test tool for the bowl type plug, qualified rear can put into use.

The B. trial manual locking device, close the gate, check to see whether the flexible, pay attention to manual locking can close the gate to open, can not open, must first left hand wheel until the end, then turn 1/4 ~ 1/2 ring, to prevent the death card, and then open the gate of hydraulic.

The driller's console C. ram blowout preventer switch handle, switch the two check without jamming and other undesirable phenomena.

3, the proper use of

A. blowout when available ram blowout preventer flashboard sealing drill pipe of the same size or with a complete sealed flashboard to seal the empty wells. Long term well sealing, available manual locking device for locking the gate, and listing the display, so as to avoid misuse.

B. is strictly prohibited to use open the gate to drain the pressure inside the well, every time you open before, should check the manual locking device is in the unlocked position.

C. to open or close the gate, a switch should be in place to prevent drill, damage the gate.

D. has a hole in the hole is closed, the complete sealed flashboard.

E. into the objective layer, every day should be a switch pipe ram, check whether the switch is flexible, each bit is completed, should check the complete sealed flashboard is flexible, and check the manual locking device is to be in good condition.

F. on the well site should be equipped with a gate, accessories are using each pay, once damaged, can be replaced in time.

G. ram blowout preventer in the normal state, should be in a normally open position.

H. not allowed to switch the blowout preventer to relief, so as not to hurt the gate rubber parts.

I. shall comply with the regulations, the correct use of the blowout preventer.

Seven, the common troubles and troubleshooting methods

Medium 1, wells from the shell and the side door connection out following: Causes and solutions:

A. bolts not tightened symmetrically and evenly tightened;

B.: the replacement of damaged sealing ring;

A foreign body between the two C. plane: clear;

2, hydraulic control system, the gate off is not in place, the following reasons and eliminating methods:

The accumulation of mud, sand too much room, wash clean.

3, well within the medium into the cylinder, so that the water, air hydraulic oil etc.. The piston rod piston ring damage, deformation or surface injury, repair or replace.

The 4 gate is closed, but not sealed pressure:

Gate rubber core damage: the replacement;

The gate chamber sealing surface corrosion grooves or: repair;

Eight, pay attention to

Provisions for rubber parts

1 according to the time sequence number into the library, by the use of advanced use first principles;

2 must be placed in a dark and dry room, the best in the air-conditioned room, the room temperature of 20 ℃;

3 and not oil, chemicals, hard objects stored together;

4 general inventory for a period of one year;

The 5 rubber parts should be freely placed horizontally, must not have the heavy pressure and suspension