Traitement en cours

Veuillez attendre...

PATENTSCOPE sera indisponible durant quelques heures pour des raisons de maintenance le mardi 26.10.2021 à 12:00 PM CEST
Paramétrages

Paramétrages

Aller à Demande

1. WO2020161518 - PROCÉDÉ DE DÉTECTION DE PASSAGES DE GLISSEMENT HORIZONTAUX D'HYDROCARBURES

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

[ EN ]

CLAIMS l to 14

1. Method (l) of detection of hydrocarbon horizontal slippage passages comprising the following steps:

a. slippage passage data acquisition and identification (10);

b. slippage passage prediction (20);

c. slippage passage characterization (30);

d. slippage passage calibration (40); and

e. slippage passage parameterization and modelling (70).

2. Method of detection of hydrocarbon horizontal slippage passages according to

claim 1, wherein the step of slippage passage data acquisition and identification (10) comprises data acquisition in stratified rock.

3. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 or 2, wherein the step of slippage passage data acquisition and identification (10) comprises acquiring borehole image data (12).

4. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 3, wherein the step of slippage passage data acquisition and identification (10) comprises an acquisition of one or more of

a. density data,

b. gamma ray data;

c. sonic compressional data;

d. fast sonic shear data;

e. slow sonic shear data; and

f. core data.

5. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 4, wherein the step of slippage data acquisition and identification (10) comprises one or more of the following steps:

a. core analysis (11);

b. bore hole image analysis (12);

c. drilling data analysis (13);

d. dynamic data analysis (14);

e. seismic attribute analysis (15); and

f. curvature/strain analysis (16).

6. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims l to 5, wherein the step of slippage passage prediction (20) comprises one or more of the following steps:

a. petrophysical review (21);

b. determining of slippage passage potential index (SPPI) (22);

c. azimuth, edge, coherency determination and tracking (23); and

d. curvature/strain analysis (24).

7. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 6 wherein the wherein the step of slippage passage prediction (20) comprises the step of creating a i-dimensinal geomechanics model.

8. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 7; wherein the step of slippage passage characterization (30) comprises one or more of the following steps:

a. creating slippage passage density log and/ or slippage passage spacing log for a plurality of wells (31);

b. slippage passage aperture analysis (32);

c. estimation of slippage passage density in-between the wells (33); and d. geomechanics stress analysis and/or evaluation (34).

9. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims l to 8, wherein the step of slippage passage calibration (40) comprises one or more of the following steps:

a. PLT, production data build-up time & RFT/MDT review (41);

b. well test review (42).

10. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 9, further comprising the step of slippage passage upscaling and 3- dimensional slippage passage intensity modeling (50).

11. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 10, further comprising the step of generating a slippage passage field wide stochastic slippage passage network (60).

12. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 11, wherein the step of slippage passage parameterization and modelling (70) comprises one or more of the following steps:

a. creating a slippage passage porosity distribution model (71);

b. creating a slippage passage permeability distribution model (72); and c. creating an effective slippage passage permeability distribution model (73).

13. Method of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 12, wherein the wherein the step of slippage passage

parameterization and modelling (70) comprises the step of creating a 3- dimensional MEM and strain map (300).

14. Use of the method (1) of detection of hydrocarbon horizontal slippage passages according to one of the claims 1 to 13 for positioning a well bore for hydrocarbon production.