CN daukhi-L.S.Tung

7/27/2019 CN daukhi-L.S.Tung

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TRNG I HC B RA VNG TUKHOA HA HC V CNG NGH THC PHM

CNG NGHDU KH

Ths: Lu Sn Tng


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TNG QUAN V M BCH H

Bch H l m du ln nht nm trn thm lc a nam Vit Nam,cch thnh ph cng Vng Tu - cn c dch v k thut sn xutca X nghip lin doanh Vietsovpetro (XNLD VSP) 120 km. Duc bt u khai thc t m Bch H vo nm 1986.

H thng cc cng trnh chnh xy dng ti m gm c:1. Cc gin c nh: MSP 1, 3, 4, 5, 6, 7, 8, 9, 10, 11;2. Cc gin nh: BK-1, 2, 3, 4, 5, 6, 7, 8, 9; 10.3. Gin cng ngh trung tm CTP-2 v CTP-3;4. Gin duy tr p sut va: PPD-40000, PPD-30000;

5. Gin nn kh trung tm CKP;6. Trm nn kh nh MKC;7. 03 trm rt du khng bn: UBN-1, UBN-3, UBN-4;8. Hn 370 km ng ng ngm (ung ng ni trn y bin);

9. Hn 25 km cp in ngm 6.3 kV (cp in ni trn y bin).


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Gin c nh dng MSP Cc gin c nh dng MSP c chcnng khoan (s dng t hp khoan

c nh) v vn hnh khai thc 16 18 ging vi su n 5000 m.

Kt cu ca gin bao gm cc phn

chnh sau:- Thng tng bao gm 2 (hoc 1)tng;- Dm chu lc;- 02 khi chn ;

- Cc sn cp tu;- Cc ging cng cc ng chng vng cch nc.


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Hai chn l kt cu khng gian rnghnh chp ct gm c 8 ct ng(812,820,62 mm), cc ng ngang vng xin 720x16 mm , 609.6x12.7 mm,

530x12 mm, 480x12mm, 426x12 mm.

Hai chn c t c nh xungy bin bi 48 cc 72020 mm, mi

ct ng c 1 cc chnh v 2 cc ph,khong khng gian hnh xuyn giang v cc c bm y xi mng.

Vt liu thp ng: -20-28-40-48-79,API 5L Gr X60, API 5L Gr X52, API5LGrB, 34 8731-73.

Khi chn


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Gin cng ngh trung tm l ni tip nhn cc sn phm t ccging khai thc, x l thnh du thng phm bm ra UBN,x l nc va, thu gom v vn chuyn kh ng hnh n ginnn trung tm, tn dng kh thi v kh x s c a ra h thnguc.

Gin CTP-2 c xy dng trn c s gin MSP nhng thayth hng lot cc trang thit b thng tng.

Gin cng ngh trung tm CTP-2, CTP-3


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L gin nh c t 6 n 12 gingc khoan t phng tin khoant nng, trn trang b cc mymc thit b cng ngh x l s

b du khai thc.

V kt cu, BK gm cc thnh

phn chnh sau:1. Thng tng (TS);2. Dm chu lc (MSF);3. Chn ;

4. Cc sn cp tu (tng t sncp tu ca MSP)5. Cc ging cng cc ng chngv ng cch nc.

Gin nh (BK)


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Gin nn kh trung tm tndng kh ng hnh m Bch H.Trn trang b my nn kh cung cp cho h thng khai thc

bng gaslift, cung cp kh nhinliu cho my pht iezen chykh, m bo vic a kh v b.

Kt cu ca gin gm cc thnhphn chnh sau:1. Thng tng (TS);2. Chn (OB);3. Cc sn cp tu (tng t nhca MSP, BK).Thng tng CKP l mt modulec lp.

Gin nn kh trung tm (CKP)


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Trm nn kh nh c chc nngnh gin nn trung tm, ch khc

bit cng sut v theo thit kkhc.

Kt cu ca gin gm cc thnhphn chnh sau:1. Thng tng (TS);2. Dm chu lc;3. Chn (B)- chn OB2MSP;

4. Cc sn cp tu (tng t nhca MSP).

Trm nn kh nh (MKS)


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Gin PPD c cng dng x l v bm nc p va, gm ccthnh phn chnh sau:

Kt cu ca gin PPD gm cc thnh phn chnh sau:1. Thng tng (TS);2. Dm chu lc;

3. Chn (OB) cng cc ng u ht ca bm v cc ktcha nc thi;4. Cc sn cp tu (tng t nh ca MSP, BK).

Gin bm p va PPD


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Gin ng ng (RB) c lp ttrn cc chn ring bit, c thc thng tng vi my mc cngngh vi cng dng lp t v

kt ni cc phn ng ng cang ng ngm, cc ng ngtransit gia cc gin vi nhau vgia cc gin vi cc cu dn.

Cc block trung gian c lp ttrn cc chn c lp cccu dn, cc ng ng transit.

Cc gin ng ng v chn trung gian


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Khu nh c lp t trn cc

chn ring bit, gm c:

1. Thng tng vi cc khi nh ,sn bay v cc trang b xung cusinh;2. Dm chu lc (MSF);3. Chn ;4. Cc sn cp tu (tng t sncp tu ca MSP).

Cc khu nh


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Cc cu dn c cng dng chongi i li v t cc ngng gia cc gin, gia gin v cc

chn trung gian (gin ng ng),h thng uc. Cu dn c ccphn sau:

- Kt cu kim loi;- ng ng v cc gi kp;- ng i b, lan can bo v, ccthang ln xung.Kt cu ca cu l khi tam din

hay t din, mi mt l gin phngc ch to t thp ng.

Cc cu dn

di ca cu: 23-80 m, khilng 15-300 tn.


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H thng neo ngm caUBN gm c:1. Xch neo, 8 chic cho mi

UBN 1,2,3,42. Moc ni;3. Cc cc neo (theo thit kcc cc neo phi c ngsu di mt y bin tnhin). di nhnh xch L=300-480 m. ng knh xch 95-133 mm.

Tng di xch 11.5 km.Tng khi lng xch ~4000tn.Cc neo thp ng

203250 mm

H thng neo tu UBN


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Cc tuyn ng ngtrn bin


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TNG QUAN V M RNG V NAM RNG I MI

M Rng v Nam Rng - i Mi (gi tt: Rng i Mi)

nm trn din tch khong 440 km2, 24.2 km t Bc sang Namv 18,2 km t Ty sang ng, ti l 09-1 thm lc a nam VitNam, cch thnh ph cng Vng Tu - cn c dch v k thutsn xut ca Lin doanh Vit-Nga Vietsovpetro (Vietsovpetro)120km. Thnh ph Vng Tu ni vi thnh ph H Ch Minh

125 km ng b, v 80 km ng thy cho hu ht cc loitu thy.Khoan thm d trn din tch m Rng - i Mi c thchin bng gan khoan t nng (GKTN). Ngun in c dng

trong qu trnh khoan l my pht in ng c t trong.Ngun in c dng cho cc cn c sn xut caVietsovpetro v thnh ph Vng Tu l ngun cp in 35 .


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H thng cc cng trnh bin xy dng ti m Rng - i Migm c:- Cc gin c nh, RP-1, 2, 3.

- Cc gin nh, RC-1,2, 3, 4, 5, 6, 7, RC-DM;- Gin nn kh DGCP;- Trm rt du khng bn UBN-3 vi PLEM v h thng neo;- Khong 364 km ng ng nm trn y bin;- Khong 68 km cp in ngm 22 kV 6,3 kV nm trn y

bin.


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Cc gin c nh dng RP c chcnng khoan (s dng 01 t hp

khoan c nh) v vn hnh khaithc 16 18 ging vi su3000-5000 .Kt cu ca gin bao gm cc phnchnh sau:1. Thng tng bao gm 2 tng(TT);2. Dm chu lc (DCL);3. 02 khi chn . (KC);

4. Cc sn cp tu (SCT) ;5. Cc ging cng cc ng chngv ng cch nc.

Gin c nh dng RP


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Gin nh RC l gin nh c t 6 n 12 ging c

khoan t phng tin khoan t nng, trn trang bcc my mc thit b cng ngh x l s b dukhai thc.

V kt cu, RC gm cc thnh phn chnh sau:1. Thng tng (TS);2. Dm chu lc (DCL);3. Chn ;4. Cc sn cp tu (tng t sn cp tu ca RP)

5. Cc ging cng cc ng chng v ng cch nc.

Gin nh


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Gin nn kh DGCP dng tndng kh ng hnh m Rng - iMi.Trn trang b my nn kh

cung cp cho h thng khai thcbng gaslift, cung cp kh nhinliu cho my pht iezen chy kh,m bo vic a kh v bKt cu ca gin gm cc thnh

phn chnh sau:1. Thng tng (TT);2. Khi Chn (KC);3. Khung dm chu lc vi cn ng

x kh v cn trc .4. Cc sn cp tu (tng t nhca RP, RC).Thng tng DGCP l mt cmmodule c lp

Gin nn kh DGCP


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TNH CHT VT L V NHNG TIU CHUNNH GI DU M

Tnh cht bay hi ca du m hay cc sn phm ca n c ngha rt ln trong qu trnh bo qun, vn chuyn cng nh trong

qu trnh s dng. V vy y l mt tnh cht ht sc quan trngca du m.

Thnh phn ct l khi nim dng biu din phn trm camu bay hi trong iu kin tin hnh th nghim theo nhit

hoc ngc li nhit theo phn trm thu c khi tin hnhchng ct mu.


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Thc t ngi ta s dng nhng khi nim sau.

Nhit si u: L nhit c c trn nhit k vo lcgit cht lng ngng t u tin chy ra t cui ng ngng t.

Nhit si cui: L nhit cao nht t c trong qa trnhchng ct.

Nhit si 10% (t10%), t50%, t90%, t95%, ... L nhit ctrn nhit k tng ng khi thu c 10%, 50%, 90%, 95% ...cht lng ngng t trong ng thu.

ng cong biu din mi quan h gia phn ct thu c v nhit c gi l ng cong chng ct. Tu theo thit b s dng khitin hnh chng ct m ta c nhiu loi ng cong khc nhau nhng cong chng ct n gin, ng cong im si thc


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Khi cn phn tch nhanh thng i vi cc sn phm nhca du m ngi ta tin hnh trn b chng ct tiu chun

Engler v ng cong thu c l ng cong chng ctEngler hay ng cong chng ct ASTM D 86. (AmericanSociety for Testing and Materials)

Thit b chng ct Engler th cht lng ca mu b unnng nn bay hi ri qua b phn lm lnh ngng tsau chy vo ng ong, nh vy y l qu trnh chngct vi kh nng phn chia khng trit .


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bo m tt qu trnh phn chia cc cu t th ngi ta s dngb chng ct vi phn chia nghim ngt hn (thit b chng ct

c s a tng ng vi 15 a l thuyt ch s hi lu bng 5),tin hnh chng ct theo tiu chun ASTM D 2892. ng congthu c y c phn chia rt ln nn c gi l ng congim si thc hay thng gi l ng cong TBP (True BoilingPoint).

ASTM D 3710 xc nh ng cong chng ct xng nh bngsc k kh;ASTM D 1078 xc nh ng cong chng ct cht lng hu

c bay hi;ASTM D 1160 xc nh ng cong chng ct p sut chnkhng ca cc phn on c nhit si cao.

G


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NI DUNG1. Gii thiu v kh thin nhin v kh du m

2. Qu trnh cng ngh ch bin kh

3. Lm sch kh khi cc tp cht c hc

4. Tch condensat

5. Kh nc

6.Kh acide

7. Tch cc phn on hydrocarbon

8. Tch nito, Thy ngn, Hli


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1. GII THIU V KH THIN

NHIN V KH DU M1.1. Ngun gc v phn loi

1.2. Thnh phn v c tnh

1.3. Tnh hnh ch bin v s dngkh thin nhin v kh du m

Ngu n g c ca kh thin nhin v


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Ngu n g c ca kh thin nhin vkh du m

Cng ngun gc vi du m

C ngun gc t vt liu hu c banu

Tch ng cc vt liu hu c ban u Bin i cc cht hu c thnh hydrocarbon Du kh chuyn n cc b cha

Du kh tip tc bin i trong b cha

Cc giai on to thnh du m

Phn loi


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Phn loi

Kh thin nhin: Khai thc t cc m kh ring bit Kh du m (kh ng hnh): Thu c trong qu trnh khai thc du.

Condensat: Thc cht l phn ui ca kh v phn u ca du.

Theo ngun gc

Kh chua: Hm lng H2S > 1% th tch v CO2 > 2% th tch. Kh ngt: Hm lng H2S 1% th tch v CO2 2% th tch

Theo hm lng acide

Kh bo: Giu propan, butan v Hydrocarbure nng (> 150 g/cm3 ). Kh ny ch to xng(LGN), kh ha lng (LPG) v tng hp hu c.

Kh gy: Cha t hydrocarbure nng ( < 50 g/cm3 ). . S dng lm nhin liu cho cng nghip vi sng.

Theo thnh phn C3+

Kh kh: C2+ 10% Kh m: : C2+ > 10%

Theo thnh phn C2+

Thnh phn kh


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Thnh phn kh

Cu t c bn: metan, etan, propan, n-butan viso butan

Pentan v cc hydrocarbure no mch thng chimmt lng khng ng k

H2S: Thc t hm lng H2S rt nh ( 10%

CO2, N2: Thng xuyn c mt trong kh thin nhin v kh dum: CO2: 0,5 -10% (c th t 70%); N2: 0,5 5% (c th t hn25%)

Ngoi ra cn cha tp cht nh H2S, CO2, N2,He v Hg


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Kh thin nhin c thnh phn ch yu l metan (80

99% th tch).

Cc m kh thin nhin l cc ti kh nm su di mt t v thnhphn kh bt c v tr no ca ti kh cng ging nhau (do trong phakh cc cu t c phn tn trong nhau rt u) Thnh phn kh

khng ph thuc vo v tr khai thc

Kh du m c thnh phn ch yu l metan, ngoi racn c etan, propan, butan v cc hydrocarbur c hmlng ln hn trong kh thin nhin

Thnh phn ca kh du m thay i trong mt phm vi kh rng tytheo m du khai thc, v tr khai thc v thi gian khai thc. Cc mdu thng tn ti di p sut cao nn mt phn cc hydrocarbur trng thi kh ha tan trong pha lng, Khi khai thc ln mt t, psut gim lng kh s thot ra.Thi gian khai thc cng di p

sut ca kh trn b mt pha lng gim dn Kh cng nng.


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Thnh phn kh du m mt s m dukh ca Vit Nam

h h l


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Tnh cht vt l

Kh hydrocarbon khng mu, khng mi, khngv do vy khi s dng ngi ta thm cht tomi ty theo mc an ton

Tnh tan ca chng khng ging nhau, khngtrn ln vi nc v c th tan d dng trongcc cht m v cht hu c

im si ca n-paraffine tng dn theo snguyn t Carbon c trong mch


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Tnh hnh ch bin v s dng


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Tnh hnh ch bin v s dngkh thin nhin v kh du m

Kh thin nhin v kh du m l ngun nguyn liu quan trong cho cngnghip ha du ni ring v ha hc ni chung.

Sng Hng Cu Long Nam Cn Sn

M Lai Chu Th Min Trung

Tim nng v kh ca Vit Nam tp trung ti 5 b chnh:

Hin nay ch c 2 b c tr lng thng mi l Cu Long v Nam CnSn thuc thm lc a pha Nam. Trong m du Bch H v Rngthuc b Cu Long v ang cho sn lng khai thc kh du m quan

trng nht.

Tnh hnh sn xut kh thin nhin trn th gii (n v =106 i d 1 GNL 2 2 3GNL


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106tep = triu tn du tng ng; 1 tn GNL = 2,2m3GNL=1350m3 kh)

T h h h ti th kh thi hi


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Tnh hnh tiu th kh thin nhin

trn th gii (n v = tep)


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Tim nng kh Vit Nam

ng dng ca kh


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ng dng ca khS dng cho ngnh cng nghip in

S dng cho qu trnh bc x nhit

L nguyn liu trong sn xut

S dng trong cng nghip giao thng vn ti

S dng sn xut phn m

S dng sn xut methanol

S dng cho lin hp in m

Trin vng ca ngnh cng nghip kh


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Cng nghip: 14% Phn m: 6%

Vn ti: 0% in: 30% LNG: 31% Xut khu sang Thi Lan: 19%

Nhu cu s dng kh trong nm 2010:

2 QU TRNH CNG NGH


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2. QU TRNH CNG NGH

CH BIN KH

S h h bi kh


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S qu trnh ch bin kh


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