SVES Oilfield Supply Co., Ltd Snubbing Unit-4

SVES Oilfield Supply Co., Ltd Snubbing Unit-4

Automated Snubbing UnitAutomated Snubing Unit

1.Pipe handling system includes catwalk, ground arm, traveling Snubbing Unitsystem, platform arm and gin pole arm.

2.Hydraulic Tong

3.Operation Room

4.Rig up and rig down time；4-5hours

5.Platform  Arm

SAFETY SOLUTION:

SLIP INTERLOCK

Slip interlock system includes hydraulic interlock,displacement sensor,load cells.If you want to open one slip(heavy or snubber),you must close the other slip(heavy or snubber),the slip   must close on pipe,not coupler or downhole tools and holdall the string load.

BOP INTERLOCK

BOP interlock system,using pressure transduer,displacement sensor to make annunlar safe;

SNUBBING JOB ANNULAR CONTROL

>ESW(Emergency shut in well):Press ESW button,close all slips,working BOP(not include annular BOP),EQ/BL valves and safety pipe ram BOP to control tubing movement and annular pressure.

> ESD(Emergency Shut Down):Press ESD button,close all slips,shear ram and blind ram to control tubing movement and annular pressure.

HWO ANNULAR CONTROL

>Acoustic reflection monitor the annular fluid level in hole and control the sand pump to pump circulate fluid into well.

>Once  overflow  or  kick,press the  KW(kill  well)button,close  all slips,close EQ valve and open BL valve,close upper ram BOP, open lower BOP,circulate fluid,control choke manifold and kill the well.

>once well blowout,press ESW or ESD button.

INSIDE WELL CONTROL

>Primary control:once the plug inside the string is failure and overflow,pickup one string with hydraulic control safety valve to platform and makeup or hold   the pipe,close safety valve.

Second  control:

>BOP from bottom to up:doulbe ram BOP(lower slip ram,upper shear ram)+blind ram BOP+Snubbing unit.

(1)if the  string  is  pipe Press one buttom,close all slips,slip ram and shear ram(special shear   ram),jack move up to 1.5meters and close blind ram.

(2)if the  string  is  dril  pipe Press one buttom,close all slips,slip ram and shear ram,jack move up to 1.5meters and close blind ram.