Cac He Thong Thiet Bi Tren Gian Khoan Tu Nang

CNG TY C PHN CH TO

GIN KHOAN DU KH

WE BUILD RIGS. WE BUILD TRUST

H thng chnh trn Gin khoan t nng

Th.S Nguyn Cng Phc

H thng chnh trn Gin khoan T Nng 90m nc

H THNG CUNG CP NNG LNG

H THNG NNG H

H THNG, THIT B KHC H TR KHOAN

H THNG XOAY

H THNG TUN HON DUNG DCH

H THNG KIM SOT GING

H THNG KO CNG NG BAO RISER

Cung cp nng lng cho ton b hot ng trn gin.

Nng lng c truyn ti theo cc phng php nh c kh, in hoc kt hp c hai phng php.

H thng cung cp nng lng

1. Chc nng h thng

Cm my pht in chnh trn gin khoan t nng 90m nc

(Tam o 03)


Cm my pht in chnh trn gin khoan t nng 90m nc (Tam o 03)

2. Cu to h thng

NG C DIESEL U PHT

Caterpillar 3516

S lng ng c: 4

Cng sut ng c: 2150HP

Hiu sut: ,

Tc quay: 1200rpm

Kato 6P7-2650

S lng u pht:

Cng sut pht:

H s cng sut: ,

600VAC, 3Ph, 6P, 60Hz


Thng s k thut cm my pht in chnh trn gin khoan Tam o 03

My pht in d phng trn gin khoan t nng 90m

nc (Tam o 03)


NG C DIESEL U PHT Cummins KTA38-D(M1)

S lng ng c: 1

Cng sut ng c: 1300HP

Hiu sut ng c: ,

Tc quay: 1800rpm

Stamford HCM634J2

S lng u pht: 1

Cng sut pht:

Hiu sut pht: ,

480VAC, 3Pha, 60Hz


Thng s k thut my pht in d phng trn gin khoan Tam o 03

ABS Rule for building and classing mobile offshore drilling 2012 - Part 4, chapter 3, section 4, item 3.17 to 3.21

Table 1 Fact ory testing schedule for generator and motor.

MARPOL 73/78 Annex VI Prevention of air pollution from ship

IMO Resolution A.468 (XII) Code for noise level on board

TIU CHUN THIT K CH TO & CHNG CH


H thng nng h

Cung cp lc nng hoc h ct cn khoan, ng chng v

cc thit b khoan khc ra hoc vo ging khoan.

1. Chc nng h thng nng h

2. Cu to h thng nng h

Thp khoan & kt cu h thng nng h Cc thit b bn trong thp khoan

1. Derrick & Accessories

2. Drill floor

3. Cantilever

A. Thp khoan & kt cu h

thng nng h:

H thng nng h

1. Drawworks

2. Crown Block

3. Traveling Block & Hook

4. Drill line

5. Elevator & Elevator links

6. Fast line & Dead line

7. Anchor

8. Drill line Spooler

B. Cc thit b bn trong thp khoan

H thng nng h

Drawworks

Deadline

anchor

Crown

block

Travelling

block

Drill line

spooler

1. Thp khoan v ph kin

1.1 Chc nng:

Thp khoan l mt kt cu dng gin

lm t thp hnh cng cao, dng

treo ct cn khoan trong ging,

dng cn khoan, cn nng v cc

thit b khc.

H thng nng h

1.2 Phn loi thp khoan

Cn c vo chiu cao thp khoan (H)

H = 27 28 m dng cho chiu su ging L = 1200 1300 m

H = 41 42 m dng cho chiu su ging L = 1300 3500 m

H = 53 m dng cho chiu su ging L > 3500 m

Cn c vo cu trc thp

Thp 4 chn: n nh nhng lp t v tho d phc tp (dng trn gin khoan bin).

Thp ch A: sn lm vic thp, thong, rng ri, tho lp nhanh, tn t vt liu, d vn chuyn, n nh thp (dng trn t lin)

A 1. Thp khoan v ph kin

H thng nng h

Mt phn ca thp khoan ang c lp rp th ti nh my Thp khoan lp rp ti bi ch to Vit Nam

1.3 Cu to ca thp khoan 4 chn


H thng nng h

1.4 Cu to ca thp khoan 4 chn gin GK-001

Thp bao gm 12 tng, tng 7 v 8 c lp sn lm vic cho th

trn cao s dng khi ko th b dng c, cn khoan, ng chng,

ng khai thc. y thp l hnh vung vi kch thc, nh thp

ch nht c kch thc.

Trn gin khoan bin, ngoi ti trng nng (ln n n 1500 tn)

cc thp khoan cn phi chu thm cc tc ng ph do gi,

sng, dao ng ngang v dc. V vy thp khoan ny phi l thp

ng hc (thp c bn cao).


H thng nng h

1.5 Tiu chun p dng i vi thp khoan

API Spec 4F: Drilling and well servicing structures.

API Spec 8C/ISO 13535: Specification for drilling and production hoisting

equipment.

1.6 Chng ch bt buc:

API monogram hoc ABS chng nhn thp khoan c thit k, ch to

v kim tra theo API 4F


H thng nng h

A 2. Drill floor overview

H thng nng h

H thng nng h

Ti khoan dng ko th ct cn khoan, ng chng tho vn cn, treo ct cn khi khoan. Ti cn c dng di chuyn cc vt nng phc v cho cng tc dng h thp v cng tc ph tr khc.

1.1 Chc nng Ti khoan (Drawwokrs)

B 1. Ti khoan (Drawwokrs)

H thng nng h

1.2 Cu to Ti khoan (Drawwokrs)

H thng nng h

1.3 Cu to phanh Ti khoan (Drawwokrs)

H thng phanh ca ti.

* Phanh chnh: Dng dng hon ton khi ko th b dng c khoan hay ng chng. Treo dng c v th tin t t trong khi khoan. * Phanh ph: Dng h tr phanh chnh khi h b khoan c vi ti trng ln nht. + Phanh thy lc + Phanh in t

1.4 Phn loi Ti khoan (Drawwokrs)

H thng nng h

Ti khoan (Drawwokrs) hng NOV

H thng nng h

Ti khoan (Drawwokrs) hng TTS Sence

Model: UH-3G-500-3000-DDW

Ti trng nng: 500 ShT ng c: 1150 HP x 2 Cp khoan: 1 3/8

1.4 Phn loi Ti khoan (Drawwokrs)

2. Rng rc tnh

H thng nng h

Gm mt khung kim loi trn c lp mt trc, trn trc c gn cc puly lun cp ti i qua. Ton b b rng rc tnh c lp c nh ln sn trn cao ca nh thp khoan. Ti trng t ln h rng rc c nh cng nh ln thp khoan ln hn ti trng mc nng.

1: Khung 2:Trc 3: bi 4:Pu li (sheave)

H thng nng h

3. Rng rc ng

Rng rc ng thng ch to lin khi vi mc nng. Mc nng dung treo ct cn khoan, mc vo lvat khi ko th dng c. Ngoi mc nng ra cn c quang

treo, quang treo c 2 loi: loi n v loi kp. Quang treo l khu ni gia mc nng v lvat.

H thng nng h

Cp ti gm 6 mi c xon quanh li (bng si hu c hay kim loi). Mi mi li c t 19 n 37 si thp xon vi nhau to thnh mi. Thng thng chiu xon ca cc si thp cc mi ngc vi chiu xon ca cc mi trn li cp khoan. Chnh iu ny lm cho cp cng hn nhng cng phn no gip chng xoay. Cp c li bng vt liu hu c c kh nng t bi trn cao, d un nhng chu ti thp. Cp c li thp khng t bi trn c, kh un nhng kh nng chu ti cao. Cp khoan thng c ch to theo cc kch thc quy chun: 25 mm, 28 mm, 32 mm, 35 mm

4. Cp khoan

H thng nng h

4. Cp khoan

Cu to cp khoan Cu to u neo cp cht

Deadline anchor

H thng nng h

5. DEADLINE ANCHOR

- Purpose: it is used for tying down the

drill line and providing measurement

of the load hanging in the top drive

(hook load)

- Principle: (see picture)

- Arrangement:

+ Base on hoisting procedure (near derrick

leg better)

+ Put it near Drill line spooler and higher

+ Enough space to maintenance/operation

Drill line spooler

H thng nng h

6. DRILL LINE SPOOLER

- Purpose: it provides the drill line wire

via the Deadline, crown block,

travelling block to Drawworks

- Principle: it is hydraulic driven to

assist in payout during slip and cut.

- Arrangement:

+ Base on hoisting procedure

+ Put it near Deadline anchor and below

+ Enough space to maintenance/operation

H thng xoay

2. Cu to h thng chia lm 2 phn chnh: B phn to chuyn ng quay cho ct cn: Top drive

hoc Bn xoay roto B phn nhn chuyn ng quay: B khoan c

1. Chc nng h thng xoay B phn to chuyn ng quay bao gm Top drive

hoc Bn xoay roto, bin chuyn ng quay thnh chuyn ng tnh tin ca b khoan c to l khoan.

H thng xoay

1. Top-drive Chc nng

Truyn chuyn ng quay v m men quay cn thit cho b khoan c

C kh nng kp cht cc cn tho ra, vn vo cc mi ni cu cn khoan

Lin kt gia b khoan c v h thng bm dung dch cao p

Thng qua ti v rng rc ng, tnh nng h ct cn khoan ng chng,treo b khoan c trong khi khoan v bm ra.

Dng lp t cc thit b chng phun nh van cu,...

H thng xoay

Top-drive Cu to

H thng xoay

Top-drive Phn loi

H thng xoay

2. Bn xoay rto Chc nng Kt hp cc chu chn, cn ch lc truyn mmen cho

b dng c khoan v chong khoan ph hy t , ng thi cho php cn khoan tnh tin theo phng thng ng to tin khoan.

Trong khoan tuc bin n to mmen phn nhm chng li s quay ca ct cn khoan bo tn s quay ca trc rto tuc bin y ging lm xoay chong ph hy t .

Nng ton b dng c khoan, ng chng trong ging khoan, to iu kin thun li cho vic nng h b dung c khoan.

H thng xoay

Bn xoay rto Cu to

H thng xoay

Bn xoay rto v ph kin

Bn Roto:

Bin chuyn ng quay ngang thnh chuyn ng quay thng ng

Bushing (u dn ng): Nhn chuyn ng ca bn roto

truyn cho cn ch o

Bushing

1

2

3

4

5 6

7

12

9

10

8

11

Thit b khoan trn gin khoan

1.Gi cn khoan

2. Mt dc ko ng

3. Thp khoan

4. Sn lm vic trn cao

5. nh thp

6. Rng rc tnh

7. Dy cp khoan

8. Rng rc ng v mc treo

9. Top Drive

10. Ct cn khoan

11. Kt cu bn di thp

12. Cm TB i p

3.MISCELLANOUS EQUIPMENT

3.1. ROTATING MOUSEHOLE

-Purpose:

it is used to hold one single either for stabbing as singles into the string, or

assist in building of stands for further racking into the setback or directly

into the drill string.

-Principle: (see video)

-Arrangement:

+ Put it near well center which top drive can reach

(about 7)

MISC DRILLING EQUIPMENT

MOUSE HOLE


3.2. IRON ROUGHNECK

-Purpose: to make up or break down two drill pipe or drill collar at well

center or mouse hole


-Arrangement:

+ Put it well center or mouse hole or together

+ Base on IR reaching to well center or mouse hole

+ Depend type of IR (go straight or turn around)

+ Base on space to maintenance/operation


IRON ROUGNECK


3.3. HYDRAULIC CATHEAD

-Purpose: it come with rig tongs to make up or break down two drill pipe or

drill collar at well center or mouse hole


-Arrangement:

+ Put two catheads with two tongs to become 90 0



CATHEAD


3.4 HYDRAULIC POWER UNIT

-Purpose: to supply all defined hydraulic consumers with a steady hydraulic

pressure and flow


-Arrangement:

+ Put on zone II, easy to connect to other equipment



HYDRAULIC POWER UNIT


3.5 DRIILERS CABIN

-Purpose: to control and monitoring all Drilling equipment


-Arrangement:

+ Easy to see all drilling activity (usually put near derrick leg)



DRILLER CABIN


3.6 WIRELINE UNIT

-Purpose: The wireline unit will consist of the functions for drilling rig

applications: Deviation Surveys, Drillstem Testing, Fishing ,Tag

Bottoms

-Principle: the same drawworks operation

-Arrangement:

+ Put on near derrick leg, level 2 or more (or on LER)



WIRELINE UNIT


3.7 BUG BLOWER

- Purpose: it is used to fan for people

-Arrangement:

+ Put on level 2 or more, need to cover all drill floor better



BUG BLOWER


3.8 AIR WINCH

-Purpose: it is used to lift and handle utility objects and people

-Arrangement:

+ Put out side derrick, need to cover all drill floor better



UTILITY WINCH MANRINDER WINCH


3.9 MUD BUCKET

-Purpose: it is used to collect and re-circulate the mud in the drill string.

-Arrangement:

+ Put near rotary table better (it is usually when tripping)


MUD BUCKET


3.10 MUD STANDPIPE MANIFOLD

-Purpose: it is used to circulate the mud

-Arrangement:

+ Easy to connect mud standpipe on derrick (top drive), near cement

manifold and choke and kill manifold better



MUD STANDPIPE MANIFOLD


3.11 CEMENT MANIFOLD

-Purpose: it is used to circulate the cement

-Arrangement:

+ Easy to connect cement standpipe on derrick /(top drive), near mud

manifold and choke and kill manifold better



CEMENT MANIFOLD


3.12 CHOKE & KILL MANIFOLD

- Purpose: it is used to circulate mud

and cement, choke and kill mud,

-Arrangement:

+ Put near mud manifold and cement

manifold better

+ Base on space to

maintenance/operation


CHOKE AND KILL MANIFOLD

3.13 CHOKE HPU

Purpose: it is used to control/monitor choke and kill manifold

-Arrangement:

+ Put near choke and kill manifold better



3.14 MUD GAS SEPARATOR

Purpose: it is used to separate mud and gas before mud return mud pit

-Arrangement:

+ Put near choke and kill manifold better



MUD GAS SEPARATOR


3.15 POWER SLIP

-Purpose: it is used to suspend tubular like casing, drill pipe, tubing, drill

collars in a safe and efficient

-Principle: it is designed to be installed into rotary table

-Arrangement:

+ Put it on rotary table when operation (loose item)



POWER SLIP


H thng tun hon dung dch

1. Chc nng h thng THDD:

Nng mn khoan ra khi ging trong khoan. Tun hon lm sch ging khoan Khng ch ging khi cn thit


My bm cao p

GK

Phu trn

Sn rung

B lng

Cm tch kh

B tch ct/ bn

2. Cu to ca h thng

ng ng

B cha

ng mm

Top Drive

3. Nguyn l hot ng ca h thng tun hon dung dch


M phng 3D cc thit b ca h thng

Thit b tun hon dung dch

My bm dung dch khoan


One (1) 4-panel shaker for each 300 GPM of Circulation rate

Walkways and space around to service

Piping should give equal mud and solids distribution


Improve the flow distribution by inserting a flow divider


1. Flow divider

Thit b trong h thng dung dch

Tch mn khoan khi dung dch nhm ti s dng dung dch.

My ly tm tc cao: Dng tch trit cc tp cht

Sng rung

2. Thit b tch lc mn khoan:

2.1 Sng rung (Shale shacker):

Sng rung:

Tch cc ht mn khoan ln (t 1cm n 75 micromet)

B lng: Gip mn khoan tch khi dung dch nh phn ly trng lc




Fluid Systems Inc.



Derrick Equip Co.

Series: Series FLC 2000

Motors: Two each Super G motors 1,750 RPM XP

Bearings: Permanently sealed and lubricated

Motion: Linear 7.0 Gs on the 3-panel model

Linear 7.3 Gs on the 4-panel model

Deck adjustment: -1 to +5 on the 3-panel model

-1 to +8 on the 4-panel model

Screens: Four each 41.25 x 27.5 hook screen panels

Screening area: 32 ft2 [2.9 m2]

Overall dimensions: 122 3/4" L x 75 1/4" W x 74" H

Derrick Technical Specification



Derrick Equip Co.

Series: Series FLC 500

Motors: Two each Super G motors 1,750 RPM XP


Motion: Linear 7.0 Gs on the FLC 513

Linear 7.3 Gs on the FLC 514

Deck adjustment: -1 to +5 on the FLC 513

-1 to +7 on the FLC 514

Screens: Three/Four each 28 x 42 hook screen panels

Screening area: 24.5 ft2 [2.3 m2] on the FLC 513

33.2 ft2 [3.1 m2] on the FLC 514

Overall dimensions: 128 3/16" L x 72" W x 61 1/2" H

Derrick Technical Specification



Brandt NOV

Series: Series Cobra/King Cobra+

Motors: Two each 1750 rpm XP


Motion: Linear or Balanced Elliptical

G-Force: Force adjustable to 5.5 G maximum

Deck adjustment: Adjustable 0 to 5 adjustable

Screens: Three/Four each 49.25 x 25 pretensioned

panels with Hammerwedge fasteners

Screening area: 33.4 ft2 [3.1 m2] on the King Cobra+

Overall dimensions: 146 7/8" L x 61" W x 54 5/8" H

Brandt NOV Technical Specification



MI-Swaco

Series: Series Meerkat

Motors: Three each 1800 rpm XP



G-Force: Force adjustable to 6.9 G maximum

Deck adjustment: Adjustable -3 to +3 adjustable

Screens: Three each 4 x 2 pretensioned

panels with wedge fasteners

Screening area: 22 ft2 [2 m2]

Overall dimensions: 120" L x 68.9" W x 51" H

MI-Swaco Technical Specification



MI-Swaco

Series: Series Mongoose

Motors: Three each 1800 rpm XP



G-Force: Force adjustable to 6 G maximum

Deck adjustment: Adjustable -3 to +3 adjustable

Screens: Four each 4 x 2 pretensioned

panels with wedge fasteners

Screening area: 29.4 ft2 [2.73 m2]

Overall dimensions: 123" L x 63" W x 51" H

MI-Swaco Technical Specification

2.1 So snh cc sng rung (Shale shacker):


SWACO

Series 5000BEL FLC 500 King Cobra + Meerkat

Motors 2-1750 RPM XP 2-1750 RPM XP 2-1750 RPM XP 3-1750 RPM XP

Motion Linear, BE Linear Linear, BE Linear, BE

G-Force 7.0 max 7.3 max 5.5 max 6.9 max

Deck Angle Adjustable 0 to +5 Adjustable -1 to +7 Adjustable 0 to +5 Adjustable -3 to +3

Screens 4 - 29" x 42 P 4 - 28" x 42 NP 4 - 49.25 x 25 P 3 - 48" x 24" P

Screening Area 34 ft2 [3.16 m

2] 33.2 ft

2 [3.1 m

2] 33.4 ft

2 [3.1 m

2] 22 ft

2 [2 m

2]

XP: Explosion-Proof

BE: Ballanced Elliptical

P: Pretensioned

NP: Non-Pretensioned

Fluid Systems Derrick Brandt (NOV)

2.2 Hydrocyclone


The inner ascending core, with

the finer-sized particles that did

not settle, report to overflow.

The outer descending portion, with

the coarser-sized particles that settled

to the wall, report to the underflow.

2.2 Hydrocyclone


Tangential Velocity

2.2 Hydrocyclone


ng vo

Dng chy dung dch sau khi tch

Cn hnh tr

Hnh cn

u x

Various Components of

a Hydrocyclone

2.2 Hydrocyclone


Size Median Size of Removed (mm)

Desander 10 70

Equipment

Desilter 6 35

REFERENCE: ASME, 2005, Drilling Fluids Processing Handbook, Elsevier Gulf Publishing Company, USA

Desander 8 50

Desilter 4 25

Desilter 2 15


Flow Rates Through Standard Hydrocyclones at 75 FT of Head

Designation Cone Diameter Capacity (GPM)

Desilter 2 10 30

Desilter 4 50 65

Desilter 5 75 - 85

Desander 6 100 - 120

Desander 8 200 - 240

Desander 10 400 500

Desander 12 500 - 600


2.2 B Tch ct (Desander):

Tch ct:

Tch cc ht ct trong dung dch (ti 70 micromet)

10 FSI CONE


2.3 B Tch bn (Desilter):

Tch bn:

Tch cc ht mn khoan nh hn na (ti 15 micromet)


Derrick


Brandt NOV


SWACO 2X10 DESANDER SWACO 16X4 DESILTER

Swaco


SERIES 20LDSR2H-10 SERIES 20L SSR-10HIL-I4

Single Header Mud Cleaners


SERIES 500B122DHC SERIES 5000B102DHC

Double Header Mud Cleaners


FSI gMAX Technology

Lower maintenance costs

SERIES 5000 gMAX MUD CLEANER


2.4 My ly tm tc cao (Centrifuger):

My ly tm: dng tch cc ht mn t 74 micromet ti 1 micromet.


3. Cm tch/kh kh chn khng:

Tch kh:

loi b kh nhim vo dung dch trong qu trnh khoan.

Thit k chi tit h thng THDDK

S ng ng h thng lm sch dung dch khoan

B tr cc thit b trong h thng tun hon


4. My khuy dung dch

My khuy nm ngang

4.1 Chc nng: My khuy dung dch l loi my c dng khuy trn dung dch trnh hin tng lng ng ca cc ht rn, cc cht trn ct v lm ng nht dung dch.


4.2 Cu to v nguyn l hot ng

My bao gm mt ng c in truyn ng ti trc khuy thng qua mt hp gim tc.

Trc khuy c lp cnh khuy hot ng nh mt cnh y ca bm c tc dng khuy trn v ct dung dch.

ng c truyn ng c th c lp ng hoc nm ngang

My khuy ng

4. My khuy dung dch


4. My khuy dung dch


Chng ch chng chy n ca ng c

Chng ch vt liu

Chng nhn xut x...

4. My khuy dung dch

4.3 Chng ch bt buc


5. Sng phun

Cc b hnh vung, ch nht v hnh gc cnh khc lun to ra vng cht. ph v cc vng cht ny ngi ta dng sng phun dung dch bn vo cc vng y. ng thi ti vi phun vn tc dung dch phun ra vi tc ln gip trn u cc thnh phn ca dung dch.

5.1 Chc nng


Sng phun l thit b n gin bao gm mt vi phun thu nh gn trn mt u ng, trn thn ng c mt khp xoay v mt tay xoay xoay u phun ti v tr yu cu. tng tui th ca vi phun ngi ta s dng vi phun lm t cht do c chng mi mn cao.

Sng phun thp p thng vn hnh ct p 75-80ft ct cht lng, c cp bi bm ly tm. N c lm t cc ng thng thng, ng 3 Schedule 40, vi phun thng t n 1.

5. Sng phun


5.2 Cu to v nguyn l hot ng

H thng kim sot ging khoan (BOPs)

Chc nng BOPs phi c kh nng dp dng cht lu xm

nhp t va trong mi iu kin khoan Khi cn khoan cn t trong ging th c th di

chuyn c m khng cn phi gim p sut ging.

BOP stack cho php tun hon dung dch i qua khong khng vnh xuyn

C cc dng: i p vn nng, i p ngm.

H thng kim sot ging khoan

Cm i p 13 5/8 10M

Choke manifold

3 1/16 10M

Cm iu khin Diverter &

BOP

H thng kim sot ging khoan (BOPs)

BOPs are rated

by API as;

2M (2000 psi),

3M,

5M,

10M and

15M,

for HPHT wells;

15M or 20M,

Cm thit b chng phun

H thng kim sot ging khoan (BOP)

Cm i p 21 2M

i p vn nng

i p m cn

i p ct cn

i p m cn

Drilling Spool


i p ngm (Pipe rams)

i p vn nng (Annular)


1. Packing

2. Head

3. Aux.close

4. Seal

5. Chamber-C

6. Piston

7. Chamber-O

Annular


Open Close Annular


Pipe rams are designed to

close and seal on one

specific size of pipe, and

are also used for "hang-off.

Pipe rams


Pipe rams With hang-off, the ram is used to suspend pipe or casing by

closing underneath a tool joint. The recommended

procedure for emergency hangoff of drill pipe is to close

the rams with 1,500 psi up to 3,000 psi, lock the ram locks

using the normal procedure, and then transfer the drill pipe

weight to the rams.


Rams

Blind Rams

Pipe Rams


Rams Shearing Blind Rams

Shearing blind rams (SBRs) are dual-purpose rams that have been

proven over many years of field service.

Under normal operating conditions, they are used as blind rams to

seal in an open hole. When used as a blind ram, the blade packer in

the upper shear ram seals against the front face of the lower shear

ram. In an emergency, SBRs are used for shearing.


Rams Dual String (DS) Shearing Blind Ram

The dual string shearing blind ram, also known as the DS Shear Ram

was originally designed to shear larger diameter tubulars or multiple

tubing strings, regardless of their orientation to the centerline of the

ram bore.

With the DS Shear Ram, after the pipe has been sheared, the lower

pipe (or "fish") is housed in a vertical pocket. The blade face seal

provides a seal between the horizontal faces of the upper and lower

blades.


Variable Bore Rams

1. The Variable Bore Ram, or VBR, seals on several sizes of pipe or

hexagonal kelly within its specified size range. A typical range is

from 5" to 3-1/2" diameter Other size ranges, such as 7" to 4-1/2"

diameter, are available upon request.

2. VBRs are not intended for long-term stripping use.

3. "Stripping" refers to moving drill pipe vertically within the well

while the BOPs remain closed, maintaining a seal around the

pipe.

4. During stripping, the drill pipe and larger diameter tool joints are

pulled through the packers in fully closed rams. This procedure is

typically used in workover and servicing operations using annular

BOPs and specialty rams.


Rams

Variable Rams


Cm thit b chng phun ging di y bin


H thng HPU iu khin BOP

1.1 Chc nng:

Duy tr lc cng ln h thng ng bao ngn chn s cong vnh di ti trng nn t BOP v t chnh khi lng ca n.

Cung cp mt b ph hp cho h thng ng bao cho php chng lch theo phng ngang v tc ng ca sng v khng to ra ng sut qu cng cho ng bao.

Cho php s dng ng bao c ng knh nh hn bnh thng khi c xt n tc ng ca mi trng.

Lm gim rung ng gy ra bi dng xoy.

1. Thit b ko cng ng bao

H thng ko cng ng bao Riser

1.2 Nguyn l hot ng :



1.3 Cc loi thit b ko cng ng bao :

Thng c hai loi chnh:

Loi 1: Dng hnh tang trng vi 4 xi lanh thy lc vi mt b bc lt cho cc ng c ng knh khc nhau



1.3 Cc loi thit b ko cng ng bao :

Thng c hai loi chnh:

Loi 2: Dng dy ko c vng kp ng vi 4 xi lanh thy lc



H thng khc h tr khoan

Ngoi cc h thng trn gin khoan cn c trang b cc h thng khc:

H thng iu khin thit b khoan H thng theo di ging khoan

XIN CHN THNH CM N!

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Cac He Thong Thiet Bi Tren Gian Khoan Tu Nang