松遼盆地青山口組頁巖油儲層特征(英文版)

Tight

Oil

Reservoir

Characteristics

of

Upper

Cretaceous

in

SongliaoBasinPetroChinaOutline

Introduction

Reservoir

Characteristics

Tight

oil

Potential

Analysis

ConclusionsPlacanticlineComprehensive

stratigraphy

map

ofUpper

Cretaceous

in

Songliao

Basin

1.

Introduction

Two

excellent

source

rocks,Qingshankou

Formation

betterSanzhaoShangjia-Taipingchuan

Exploration

status

map

of

Middle-shallow

strata

in

Northern

Songliao

BasinWestern

Slope

Qijia

Anda

Gulong

Shuangcheng

（Daqing

oilfield，2011）

Single

well

oil

production

1.04~71.26t/d5.25

70

25

75

7

.3.

2305

.

350722.0

800097105.2535

.88002.25

75.15

7.2.2230172.30

1885689674.701800

68003

20

020m2030

3040

5000

0660700700707050

70078080080800808

700099

096

5

4

0

0

010

0000

10

000153045

（公里）圖

例一級構(gòu)造二級構(gòu)造2

5

等值線(m)

10實測數(shù)據(jù)點806040

Dark

shale

isopach

map

ofQing

1

Member

in

Northern

Songliao

Basin

Mean

thickness

of

dark

shale

60m,≥70m

in

main

body

of

depression

Kerogen

mainlyⅠtype,mean

TOC

2.13%22.

25

.

252.

25

22

.57

5

.

5753333.

253.253.5.53.

53

.5754443.250153045

（公里）2

圖

例一級構(gòu)造二級構(gòu)造TOC(%)（%）

43.532.50

Dark

shale

TOC

contour

map

ofQing

1

Member

in

Northern

Songliao

Basin

Source

rock

of

Qing

1

Member

best

and

mean

thickness

60m50.

550.551.07515

20752

.1.050.255

200.5

.1.

Vitrinite

reflectance

isoline

map

ofQing

1

Member

in

Northern

Songliao

Basin

Oil

generation

intensity

contour

map

ofQing

1

Member

in

Northern

Songliao

Basin20.50.

250.

5.

50

2

5

0.5

Area

of

Ro≥0.6%

31060km2,oil

generation

intensity≥2×106t/km250.

70.

7.111

1

.

25

5

011

.25

11.1.1.

2

750153045

（公里）圖

例1一級構(gòu)造二級構(gòu)造Ro(%)0

0.5

0.75

1.2

2.0（MMT/km2）

Source

rock

of

Qing

1

Member

best

and

mean

thickness

60mTOC(%)“A”(%)S1+S2(mg/g)三肇古龍齊家長垣王府朝陽溝黑魚泡三肇古龍齊家長垣王府朝陽溝黑魚泡三肇古龍齊家長垣王府

朝陽溝黑魚泡

Source

rock

of

Qing

1

Member

best

and

mean

thickness

60m

Mean

(S1+S2)

16.37mg/g,oil

generating

condition

best2.842.472.563.153.153.762.05021430.6260.5520.4410.5030.480.4450.1840.30.20.1

00.40.60.50.716.957.6615.2520.4320.522.712.135020151025SanzhaoGulongQijiaWangfuPlacanticlineChaoyanggouHeiyupaoSanzhaoGulongQijiaWangfuPlacanticlineChaoyanggouHeiyupaoSanzhaoGulongQijiaPlacanticlineWangfu

ChaoyanggouHeiyupao0.

51.

750

525.51

500110

5002

5

50.55250

55

200051201275212.5.51.

25

122.1.327531203002551.1.

72

5201.

7

Dark

shale

thickness

isopach

map

ofQing

2+3

Member

in

Northern

Songliao

Basin

Mean

thickness

of

dark

shale

200m,≥300m

in

main

body

of

depression

Kerogen

Ⅰ~Ⅱ1type,mean

TOC

1.11%

Dark

shale

TOC

contour

map

ofQing

2+3

Member

in

Northern

Songliao

Basin05050011502002200

20050

50

1501

50

50000335053504004505500153045

（公里）圖

例一級構(gòu)造二級構(gòu)造2

5

等值線(m)

實測數(shù)據(jù)點0.50.0.

50.0.750.75075

1111.

251.1.

511.1.

51.

1.

.

51.

251.

7

2522

5

.

25

21.

55

2.

5

.

52535950

63

9.

250153045

（公里）3

圖

例一級構(gòu)造二級構(gòu)造.7TOC(%)

Source

rock

of

Qing

2+3

Member

fine

and

mean

thickness

200m57

.

051555

252.

0.0257.505

7

.05

2.5

2

.

0.05

22.5

.00010110..0.

250.250.

0

.

250.50.

50.

51

.

25

0.11.

251.

50153045

（公里）圖

例1一級構(gòu)造二級構(gòu)造Ro(%)0

0.5

0.75

1.2

2.0（MMT/km2）

Vitrinite

reflectance

isoline

map

ofQing

2+3

Member

in

Northern

Songliao

Basin

Oil

generation

intensity

contour

map

ofQing

2+3

Member

in

Northern

Songliao

Basin

1

5

0.25

Area

of

Ro≥0.6%

16420km2,oil

generation

intensity≥1×106t/km2

Source

rock

of

Qing

2+3

Member

fine

and

mean

thickness

200mTOC(%)“A”(%)S+2m/)1S(ggSanzhaoGulongQijiaPlacanticlineWangfu

Chaoyanggou

Heiyupao三肇古龍齊家長垣王府

朝陽溝黑魚泡

Source

rock

of

Qing

2+3

Member

fine

and

mean

thickness

200m

Mean

(S1+S2)

6.05mg/g,oil

generating

condition

fine0.650.911.361.41.371.181.32

10.80.60.40.2

01.61.41.2三肇古龍齊家長垣王府

朝陽溝

黑魚泡0.0560.2050.1440.0580.1660.1660.1660.05

0

0.20.15

0.10.252.437.382.387.468.115.389.28321010

9

8

7

6

5

4三肇古龍齊家長垣王府SanzhaoGulongQijiaPlacanticlineWangfu

ChaoyanggouHeiyupaoSanzhaoGulongQijiaWangfuPlacanticlineChaoyanggou

黑魚泡Heiyupao

朝陽溝Outline

Introduction

Reservoir

Characteristics

Tight

oil

Potential

Analysis

Conclusions2.

Reservoir

Characteristics

Poor

properties:matrix

permeability

less

than

1mD,porosity

less

than

10%

Monolayer

thickness

of

tight

sandstone,limestone

andostracod

layer

typically

less

than

1m

Pressure

coefficient

1.20~1.58,oil

density

less

than0.86g/cm3

Oil

show

related

to

fractures,

pores

mainly

dissolvedand

intergranular

Content

of

brittle

mineral,such

as

quartz,almost

in

half頻率（%）Frequency(%)頻率（%）Frequency(%)Frequency(%)頻率（%）Frequency(%)頻率（%）

Qing

1

member:porosity＜4%,permeability＜0.01mD

Qing

2+3

member:porosity

4%~7%,permeability＜1mD

Poor

properties:

matrix

permeability≤1mD,porosity≤10%Porosity

frequency

histogram

of

Qing

1

member6.815.920.552.34.506050403020100.0010.010.1

110滲透率（mD）77.116.74.2203020109080706050400~410~15孔隙度（%52.925.59.97.83.902010605040300.0010.01110滲透率（mD）10.365.513.910.30706050403020100~44~77~1010~15孔隙度（%）Permeability

frequency

histogram

of

Qing

1

member4~7

7~10

Porosity(%)

）

0.1Permeability(%)Porosity(%)Permeability(%)Porosity

frequency

histogram

of

Qing

2+3

memberPermeability

frequency

histogram

of

Qing

2+3

memberQing

2+3Qing

1

Monolayer

thickness

of

tight

sandstone,limestone

and

ostracod

layer

typically

less

than

1m

Thickness

of

sandy,calcareous

and

ostracod

strip

in

Qing

1

member

less

than

0.2m

Comprehensive

column

map

of

Ha

14

well

Sandy

andcalcareous

strip

Ostracod

layer（Daqing

oilfield，2011）Comprehensive

column

map

of

Gu

14

well

Sand

groupComprehensive

column

map

of

Qiping

1

well

Sand

group

（Daqing

oilfield，2011）

Monolayer

thickness

of

tight

sandstone,limestone

and

ostracod

layer

typically

less

than

1mThickness

of

tight

sandstone

in

Qing

2+3

member

less

than

1mWellNameFormationDepth(m)Density3(g/cm)Viscosity(mPa.s)ParaffinContent(%)ResinsContent(%)CondensationPoint(℃)Gu105Qing2+3Member1795.0-1830.00.820514.531.95.535Gu5352303.8-2340.00.82257.218.21.622Gu6512012.0-2050.00.849217.929.57.232Ha101901.2-1927.20.832711.728.24.1321872.0-1883.80.826911.627.93.934Ha18Qing1Member1989.0-2020.00.856544.524.27.734Ying181942.46-2036.330.851816.526.31536

Pressure

coefficient

1.20~1.58,oil

density

less

than

0.86g/cm3Oil

Property

of

Qingshankou

Formation

in

Northern

Songliao

BasinOil

of

Qingshankou

Fm.:low

density

&

high

paraffin

content

Oil

show

related

to

fractures,

pores

mainly

dissolved

and

intergranularOil

show

wells

located

in

tectonic

transition

areas

with

abundant

fractures

Reservoir

isopach

map

ofQing

1

Member

in

Northern

Songliao

Basin

Reservoir

isopach

map

ofQing

2+3

Member

in

Northern

Songliao

Basin

（Daqing

oilfield，2011）

Oil

show

related

to

fractures,

pores

mainly

dissolved

and

intergranular

Shale

reservoir

exploration

map

ofQingshankou

Formation

in

Bayanchagan

region5km

A′

A

（Daqing

oilfield，2011）

Oil

show

wells

mostly

in

fracture-rich

beltstight

oil

play

profile

of

Ha16-Ying17

well012kmAltitude

(m)

Oil

show

related

to

fractures,

pores

mainly

dissolved

and

intergranularFractures

rich

in

cores

and

mostly

oil-bearingTwo

structural

fractures

incising

each

other

in

gray

black

calcareous

shaleHa

14,

Qing

1

member,2070.78mTwo

longitudinal

cracks

in

shale,spacing

5cm

Ha

14,Qing

1

member,2178.66m

One

longitudinal

cracks

in

shale,oil-bearingGuping

1,Qing

1

member(horizontal

section),2800mVertical

fracture

oil-bearing

in

shaleQiping

1,Qing

2+3

member,1998.5m

（Daqing

oilfield，2011）Longitudinal

crack

in

shale,

Chloroform

drops

extration

stronglyQiping

1,Qing

2+3

member,1959m

Oil

show

related

to

fractures,

pores

mainly

dissolved

and

intergranularAbundant

dissolved

and

intergranular

pores

in

shale

and

siltstones

Scanning

electron

microscope

Dissolved

pores

in

silty

mudstone

Ha

14,

Qing

2+3

member,1989.97m

25μm

Thin

section

Intergranular

pores

in

siltstoneQiping

1,

Qing

2+3

member,1990m

（Daqing

oilfield，2011）

Scanning

electron

microscope

Dissolved

pores

in

Feldspar

grain

Ha

14,

Qing

2+3

member,1989.97m

Thin

sectionDissolved

pores

in

calcareous

siltstone

Qiping

1,

Qing

2+3

member,2044.14m70脆性Claymineral礦物伊利石+伊蒙Illite+I/M60粘土Brittlemineral礦物高嶺石+綠泥石Kaolinite+Chlorite50石英Quartz40長石Feldspar30方解石Calcite20脆性礦物Brittlemineral100扶205長542肇27肇17川13五102雙53州42金86魚21杜90古15英16

Content

of

brittle

mineral,such

as

quartz,almost

in

halfClay

mineral

content

51%,mainly

illite-montmorillonite

mixed-layer

mineral,brittle

mineral

content

49%

70

60

50

40

30

20

10

0扶205長542肇27肇17川13五102雙53州42金86魚21杜90古15英16（Daqing

oilfield，2011）Outline

Introduction

Reservoir

Characteristics

Tight

oil

Potential

Analysis

Conclusions3.

Tight

oil

Potential

Analysis

Siltstone

in

delta

front

promise

best圖

例East-West

directional

sedimentary

facies

comparing

profile

ofQingshankou

Formation

in

Northern

Songliao

Basin

South-North

directional

sedimentary

faciescomparing

profile

of

Qingshankou

Formationin

Northern

Songliao

Basin（Daqing

oilfield，2011）

Sedimentary

facies

map

ofUpper

Qing

2+3

member

in

Qijia

region

Inner

delta-front

Outer

delta-front

Deep

lake

Siltstone

in

delta

front

promise

bestReservoir

mainly

thin

sheet

sandstone

distributing

stable

Sedimentary

facies

map

ofLower

Qing

2+3

member

in

Qijia

region

Inner

delta-front

Outer

delta-front

Deep

lake

（Daqing

oilfield，2011）

Thin

siltstone,argillaceousand

ostracod

layer

rich

areas

（Daqing

oilfield，2011）

Exploration

potential

of

fractured

shale

undetermined

Fractured

shale

plays

low

output

and

technology

immature

Sedimentary

facies

map

of

Qing

1+2

member

in

Gulong

region

Fairway

area：＞20000km2

Discovery

well：

Ying

12

in

1981,oil

production

3.83t/d,

gas

production

411m3/d

Drilled

well：209

Oil

show

well：143

Commercial

well：5

Stripper

well：17

Horizontal

well：1997-1999,

Guping

1,lateral

1001.5m,

oil

production

1.51t/d砂地比Ro5

50

0

Tight

sandstone

OOIP

of

Qingshankou

Formation

in

Northern

Songliao

Basin:

600-800MMT

Comprehensive

evaluation

map

ofQingshankou

Formation

in

Northern

Songliao

Basin

Source

rock

thickness：80-450m

TOC：0.9%-3.8%

Ro：0.5%-2.0%

Fairway

area：0.5×104km2

OOIP：700-800MMTRatio>70%Ratio

40-70%Ratio

20-40%10%35%50%10%%35%5

1234

6

Delta

front

0.75Ro≥0.75%Sandy

ratio（Daqing

oilfield，2011）ItemsBakkenEagleFordQingshankouAgeDevonian-MississippiUpperCretaceousUpperCretaceousSedimentaryfaciesShallow-fairlydeepseaFairlydeepseaShallow-fairlydeeplake42Fairway(×10km)732.5Depth(m)2500-330