試井基礎(chǔ)理論與資料解釋

第三篇試井基礎(chǔ)理論與資料解釋.................................................1

概述1

第一章前言1

一、試井的分類.........................................................1

二、試井工作流程.......................................................2

三、試井的作用.........................................................2

四、試井基本概念.......................................................3

五、試井相關(guān)技術(shù)術(shù)語...................................................4

第二章試井解釋理論基礎(chǔ)5

第一節(jié)基本微分方程和壓降公式..........................................5

第二節(jié)壓力疊加原理.....................................................7

第三節(jié)壓力恢復(fù)公式.....................................................8

第四節(jié)由壓降曲線或壓力恢復(fù)曲線求參數(shù).................................10

第三章穩(wěn)定試井基礎(chǔ)理論10

第一節(jié)穩(wěn)定試井基本概念................................................10

第二節(jié)穩(wěn)定試井在油田開發(fā)中的作用.....................................11

第三節(jié)穩(wěn)定試井基本原理................................................11

第四節(jié)穩(wěn)定試井測試方法................................................13

第四章穩(wěn)定試井解釋14

第一節(jié)相關(guān)基本概念....................................................14

第二節(jié)油井穩(wěn)定試井解釋................................................15

油嘴dmm..........................................................................................................................................16

產(chǎn)量qom7d.......................................................................................................................................16

壓力PRMPa........................................................................................................................................16

流壓P.fMPa........................................................................................................................................16

APMPa..................................................................................................................................................16

416

23.6316

16.166...................................................................................................................................................16

15.068...................................................................................................................................................16

1.09816

516

31.0216

14.726....................................................................................................................................................16

1.44116

616

39.4816

14.333....................................................................................................................................................16

1.83316

716

45.2216

13.666....................................................................................................................................................16

2.50016

點序18

3

產(chǎn)量qom/d.....................................................................................................................................18

PRMPa................................................................................................................................................18

PwfMPa................................................................................................................................................18

APMPa................................................................................................................................................18

AP/q018

118

63.618

20.679...................................................................................................................................................18

19.438...................................................................................................................................................18

1.24118

0.0218

218

158.99...................................................................................................................................................18

14.992...................................................................................................................................................18

5.68718

0.03618

318

213.04....................................................................................................................................................18

11.0718

9.60918

0.04518

418

254.38....................................................................................................................................................18

7.44418

13.235....................................................................................................................................................18

0.05218

第三節(jié)注水井穩(wěn)定試井解釋.....................................20

產(chǎn)量qm3/d.......................................................................................................................................20

7020

9020

12020

15020

井口壓力PwfMPa..............................................................................................................................20

620

820

1020

1220

PWEPRMPa........................................................................................................................................20

420

620

820

1020

產(chǎn)量qm3/d.......................................................................................................................................21

壓力PwflMPa................................................................................................................................21

壓力Pwf2MPa................................................................21

壓力Pwf3MPa................................................................21

壓力Pwf4MPa................................................................21

偏I流量qi....................................................................21

q4-q521

偏H流量qn...................................................................21

q3-q421

偏HI流量qm..................................................................21

q2-q321

偏IV流量qiv...................................................................21

ql-q221

....21

P?f-PRiMPa...................................................................21

第四節(jié)軟件解釋操作步驟................................................23

第五章不穩(wěn)定試井基礎(chǔ)理論24

第一-節(jié)不穩(wěn)定試井基本概念.............................................24

第二節(jié)源和匯反映原理..................................................25

第三節(jié)用鏡像反映法研究邊界對滲流的影響...............................27

第四節(jié)達西滲流理論....................................................29

第五節(jié)建立滲流基本微分方程...........................................30

第六節(jié)不穩(wěn)定滲流基本微分方程的解.....................................34

第六章不穩(wěn)定試井常規(guī)解釋方法36

第一節(jié)疊加分析（對于關(guān)井壓力恢復(fù)則是Homer）........................36

第二節(jié)精簡法公式（MDH,MuskatDyeHo方法..........................41

第三節(jié)松I法公式（來源于MDH方法）.................................44

第四節(jié)實測壓力恢復(fù)曲線分析...........................................51

第五節(jié)壓力降落試井（單井控制儲量估算）...............................51

第六節(jié)探邊試井（廣義）................................................53

第七章現(xiàn)代試井解釋方法54

第一節(jié)無量綱參數(shù)定義..................................................55

第二節(jié)試井解釋模型及曲線特征.........................................57

第三節(jié)垂直裂縫井試井基本理論........................................63

第四節(jié)現(xiàn)代分析解釋方法................................................66

第五節(jié)現(xiàn)代試井解釋——解釋步驟.......................................73

第六節(jié)不穩(wěn)定試井設(shè)計——軟件操作.....................................80

第八章脈沖試井基礎(chǔ)理論及解釋方法............................................82

概述82

第一節(jié)脈沖試井術(shù)語83

第二節(jié)脈沖試井?dāng)?shù)學(xué)模型及其解84

第三節(jié)脈沖試井解釋方法一切線法85

一、脈沖試井切線法原理................................................85

二、脈沖試井切線法解釋的理論圖版.....................................86

三、脈沖試井解釋——切線法解釋方法...................................87

四、實際資料解釋——軟件操作步驟.....................................88

第九章氣井試井基礎(chǔ)理論及解釋方法91

第一節(jié)氣井基本原理....................................................91

第二節(jié)氣井產(chǎn)能試井解釋方法...........................................93

第三節(jié)氣井產(chǎn)能試井測試方法及資料解釋.................................95

A第一列........................................................................97

B第二列........................................................................97

C第三列........................................................................97

D第四列........................................................................97

序號97

Pi壓力MPa....................................................................97

qi產(chǎn)量10"*m3/d.................................................................97

P2i-i-P2i.........................................................................97

（P*-p2：）/qi.....................................................................97

197

PR=97

——97

——97

——97

2開97

3關(guān)97

PR97

097

——97

——97

4開98

5關(guān)98

PR98

098

——98

——98

6開98

7關(guān)98

PR98

098

——98

——98

8開98

9關(guān)98

PR98

098

——98

——98

10開98

11延時開.......................................................................98

第一列.........................................................................98

第二列.........................................................................98

第三列.........................................................................98

第四列.........................................................................98

序號98

Pi壓力MPa........................................................................................................................................98

Qi產(chǎn)量104*m3/d...................................................................................................................................98

P2i-i-P2i...................................................................................................................................................98

PVi-P'i/qi..............................................................................................................................................98

198

——98

——98

——98

2開98

3關(guān)98

098

——98

——98

4開98

5關(guān)98

098

——98

——98

6開98

7關(guān)98

098

——98

——98

8開98

9關(guān)98

098

——98

——98

10開98

11延時開.......................................................................98

第四節(jié)氣井井筒梯度資料解釋...........................................103

第五節(jié)天然氣PVT參數(shù)計算方法........................................106

序號107

化合物.........................................................................107

分子式.........................................................................107

分子量.........................................................................107

臨界壓力.......................................................................107

KPa,絕對.....................................................................107

臨界溫度.......................................................................107

K107

臨界體積.......................................................................107

M3/kg107

沸點。C/101.325KPa.............................................................107

凝固點℃/101.325KPa...........................................................107

1107

甲烷107

CH4107

16.043107

4604107

190.55107

0.00617..................................................................................................................................................107

-161.52(28)...........................................................................................................................................107

-182.47d.................................................................................................................................................107

2107

乙烷107

C2H6107

30.07107

4880.0107

305.43107

0.00492................................................................................................................................................107

-88.58107

-182.80d..............................................................................................................................................107

3107

丙烷107

C3H8107

44.097107

4249.0107

369.82107

0.00460..................................................................................................................................................107

-42.07107

-187.68d................................................................................................................................................107

4107

正丁烷.........................................................................107

n-C4H10...............................................................................................................................................107

58.124107

3797.0107

425.16107

0.00439..................................................................................................................................................107

-0.49107

-138.36..................................................................................................................................................107

5107

異丁烷.........................................................................107

i-C4H10................................................................................................................................................107

3648.0107

408.13107

0.00452..................................................................................................................................................107

-11.81107

-159.60..................................................................................................................................................107

6107

正戊烷.........................................................................107

O-C5H12...............................................................................................................................................107

72.151107

3369.0107

469.6107

0.00421..................................................................................................................................................107

36.06107

-129.73..................................................................................................................................................107

7107

異戊烷.........................................................................107

i-C5H12................................................................................................................................................107

338L0107

460.39107

0.00424..................................................................................................................................................107

27.84107

-159.90.................................................................................................................................................107

8107

新戊烷........................................................................107

3199.0107

433.75107

0.00420..................................................................................................................................................107

9.50107

-16.55107

9107

正己烷........................................................................107

n-C6H14..............................................................................................................................................107

86.178107

3012.0107

507.4107

0.00429..................................................................................................................................................107

68.74107

-95.32107

10107

正庚烷.........................................................................107

n-C7H16...............................................................................................................................................107

100.205..................................................................................................................................................107

2736.0107

540.2107

0.00431..................................................................................................................................................107

98.42107

-90.582..................................................................................................................................................107

11107

正辛烷.........................................................................107

O-C8H18...............................................................................................................................................107

114.232..................................................................................................................................................107

2486.0107

568.76107

0.00431..................................................................................................................................................107

125.67107

-56.76107

12107

一氧化碳......................................................................107

CO107

28.010107

3499.(33)...............................................................................................................................................107

132.92(33).............................................................................................................................................107

0.00332(33)..........................................................................................................................................107

-191.49..................................................................................................................................................107

-205.0d..................................................................................................................................................107

13107

二氧化碳.......................................................................107

CO2107

44.010107

7382.(33)...............................................................................................................................................107

304.19(33).............................................................................................................................................107

0.00214(33)...........................................................................................................................................107

-78.51e..................................................................................................................................................107

-56.57d..................................................................................................................................................107

14107

二氧化硫.......................................................................107

SO2107

64.069107

7894.0107

430.8107

0.00190..................................................................................................................................................107

-10.02107

-75.48d.................................................................................................................................................107

15107

硫化氫........................................................................107

H2S107

34.076107

9005.0107

373.5107

0.00287.................................................................................................................................................107

-60.31107

-85.53d.................................................................................................................................................107

16107

氫氣107

H2107

2.016107

1297.0107

33.2107

0.03224..................................................................................................................................................107

-252.87v................................................................................................................................................107

-259.2d..................................................................................................................................................107

17107

氮氣107

N2107

28,013107

3399.0107

126.1107

0.00322..................................................................................................................................................107

-195.80(31)...........................................................................................................................................107

-210.0d..................................................................................................................................................107

18107

氮氣107

He107

4.003107

227.5(32)...............................................................................................................................................107

5.2(32)107

0.01436(32)..........................................................................................................................................107

-268.93(32)............................................................................................................................................107

-107

19107

水107

H2O107

18.015107

22118.0..................................................................................................................................................107

647.3107

0.00318..................................................................................................................................................107

lOO.OOv..................................................................................................................................................107

0.00107

20107

氧氣107

02107

31.999107

5061.107

154.7(33)...............................................................................................................................................107

0.00229..................................................................................................................................................107

-182.962v..............................................................................................................................................107

-218.8d..................................................................................................................................................107

21107

空氣107

N2+O2..................................................................................................................................................107

28.964107

3771.(2).................................................................................................................................................107

132.4(2).................................................................................................................................................107

0.00323(3).............................................................................................................................................107

-194.2(2)................................................................................................................................................107

—107

第六節(jié)氣井不穩(wěn)定試井解釋方法.........................................110

第十章壓力恢復(fù)(壓降)試井設(shè)計...............................................114

第一節(jié)試井設(shè)計步驟

114

第二節(jié)試井設(shè)計

115

一、穩(wěn)定試井設(shè)計......................................................115

二、不穩(wěn)定試井設(shè)計....................................................116

第十一章試井新技術(shù)簡介

119

第一節(jié)早

期試井解釋方法簡介(劉淑芬)

119

一、早期試井解釋新技術(shù)研究背景.......................................119

二、早期試井解釋新技術(shù)基本原理.......................................120

三、資料解釋應(yīng)用......................................................122

四、結(jié)論...............................................................123

第二節(jié)提撈井間歇采油井試井解釋方法簡介(劉淑芬)

125

一、提撈井試井工藝及解釋方法研究背景.................................125

二、間歇采油井、提撈井試井解釋基本理論...............................125

三、提撈井籠統(tǒng)測壓試井工藝............................................126

四、現(xiàn)場試驗及資料解釋應(yīng)用............................................128

1、測試方法

128

2、資料解釋應(yīng)用

128

五、結(jié)論.............................................................130

第十二章其他試井資料解釋…何鳳珍

131

第一節(jié)液面測試資料解釋..............................................131

第二節(jié)示功圖測試資料解釋

133

一、理論示功圖........................................................