Method and system for managing unconventional reservoir operations

Abstract

A method may include determining predicted well production data based on wellstream fluid data. The method may further include determining various production shrinkage values based on the wellstream fluid data. The method may further include determining predicted refined product data for the well block based on the production shrinkage values and the predicted well production data. The method may further include determining whether the predicted well production data and the predicted refined product data satisfy a predetermined criterion. The method may further include determining a set of unconventional wells for the well block in response to the predicted refined product data failing to satisfy the predetermined criterion. The method may further include determining a well development plan based on the set of unconventional wells. The method may further include performing a hydraulic stimulation operation at a well based on the well development plan.

What is claimed: 
     
         1 . A method, comprising:
 obtaining first wellstream fluid data for one or more reservoir regions disposed in a first well block comprising a first plurality of unconventional wells;   obtaining target data for the first well block, wherein the target data corresponds to a predetermined amount of well production and a predetermined amount of refined product;   determining, by a computer processor, first predicted well production data based on the first wellstream fluid data;   determining, by the computer processor, a plurality of production shrinkage values based on the first wellstream fluid data;   determining, by the computer processor, predicted refined product data for the first well block based on the plurality of production shrinkage values and the first predicted well production data;   determining, by the computer processor, whether the first predicted well production data and the predicted refined product data satisfy a first predetermined criterion;   determining, by the computer processor, a second plurality of unconventional wells for the first well block in response to the predicted refined product data failing to satisfy the first predetermined criterion, wherein the second plurality of unconventional wells is different from the first plurality of unconventional wells;   determining, by the computer processor, a well development plan based on the second plurality of unconventional wells; and   performing one or more hydraulic stimulation operations at one or more wells based on the well development plan.   
     
     
         2 . The method of  claim 1 , further comprising:
 obtaining a second selection of a third plurality of unconventional wells for a second well block;   determining predicted development cost data for the second well block based on second target data, second wellstream fluid data, and second surface equipment data; and   determining whether the predicted development cost data satisfies a second predetermined criterion.   
     
     
         3 . The method of  claim 2 , further comprising:
 adjusting the third plurality of unconventional wells for the second well block to produce a plurality of adjusted unconventional wells that satisfies the second predetermined criterion,   wherein the second predetermined criterion corresponds to an economic value of well production and refined products that is produced by the second well block exceeding a cost threshold for developing the second well block.   
     
     
         4 . The method of  claim 1 ,
 wherein the refined product is selected from a group consisting of ethane, propane, butane, pentane, and condensate, and   wherein the first wellstream fluid data describes one or more pressure-volume-temperature (PVT) properties of reservoir fluid based on one or more laboratory analyses.   
     
     
         5 . The method of  claim 1 ,
 wherein at least one of the plurality of production shrinkage values describes a ratio of a predetermined amount of well production to a predetermined product yield.   
     
     
         6 . The method of  claim 1 , further comprising:
 obtaining surface equipment data for the first well block,   wherein the plurality of production shrinkage values are determined based on the surface equipment data, and   wherein the predicted refined product data is based on the surface equipment data.   
     
     
         7 . The method of  claim 1 , further comprising:
 obtaining a production constraint for a plant facility,   wherein the production constraint corresponds to a predetermined amount of input production that can be processed by the plant facility over a predetermined time interval; and   adjusting an amount of well production over the predetermined time interval that is produced by a first unconventional well based on the production constraint.   
     
     
         8 . The method of  claim 1 , further comprising:
 acquiring, using a downhole sampling device, a downhole fluid sample from a wellbore, wherein the downhole sampling device comprises a hydraulic fluid chamber, a sample chamber, a floating piston, a mechanical timer, a triggering system, a hanging head, and a closing mechanism; and   performing a multi-stage separator test on the downhole fluid sample to produce second wellstream fluid data.   
     
     
         9 . The method of  claim 1 , further comprising:
 obtaining a plurality of production curves for a third plurality of unconventional wells in a second well block;   determining second predicted well production data for the third plurality of unconventional wells; and   determining whether the second predicted well production data satisfies a second predetermined criterion; and   adjusting, in response to the second predicted well production data failing to satisfy the second predetermined criterion, the third plurality of unconventional wells to produce a fourth plurality of unconventional wells for the second well block.   
     
     
         10 . The method of  claim 1 , further comprising:
 determining a plurality of well blocks for a second plurality of unconventional wells within a geological region of interest,   wherein a respective well block among the plurality of well blocks comprises a respective subset of wells of the second plurality of unconventional wells;   determining respective target data for the respective well block among the plurality of well blocks; and   adjusting, based on the respective target data, the respective subset of wells in the respective well block to produce an adjusted subset of wells for the respective well block.   
     
     
         11 . The method of  claim 1 , further comprising:
 transmitting, by the computer processor, a first command to a first control system at a first unconventional well among the second plurality of unconventional wells based on the first predicted well production data.   
     
     
         12 . The method of  claim 1 , further comprising:
 transmitting, by the computer processor, a first command to a first control system at a plant facility based on the predicted refined product data.   
     
     
         13 . The method of  claim 1 , further comprising:
 obtaining a selection of a third plurality of unconventional wells for a second well block using a graphical user interface that is presented on a display device;   determining, for a first time interval, second predicted well production data for the second well block automatically using well data acquired over a well network coupling the third plurality of unconventional wells;   determining, for the first time interval, second predicted refined product data for the second well block automatically using plant data acquired over a plant network coupling a plurality of plant facilities; and   presenting the second predicted well production data and the second predicted refined product data in the graphical user interface.   
     
     
         14 . A system, comprising:
 a first well control system coupled to a first well; and   an unconventional well manager comprising a computer processor, wherein the unconventional well manager is coupled to the first well control system, the unconventional well manager being configured to perform a method comprising:
 obtaining first wellstream fluid data for one or more reservoir regions disposed in a first well block comprising a first plurality of unconventional wells, 
 obtaining target data for the first well block, wherein the target data corresponds to a predetermined amount of well production and a predetermined amount of refined product, 
 determining first predicted well production data for the first well block based on the first wellstream fluid data, 
 determining a plurality of production shrinkage values based on the first wellstream fluid data, 
 determining predicted refined product data for the first well block based on the plurality of production shrinkage values and the first predicted well production data, 
 determining whether the first predicted well production data and the predicted refined product data satisfy a first predetermined criterion, 
 determining a second plurality of unconventional wells for the first well block in response to the predicted refined product data failing to satisfy the first predetermined criterion, wherein the second plurality of unconventional wells is different from the first plurality of unconventional wells, and 
 determining a well development plan based on the second plurality of unconventional wells; 
   wherein the first well control system is configured to perform one or more hydraulic stimulation operations at the first well based on the well development plan.   
     
     
         15 . The system of  claim 14 , wherein the method further comprises:
 obtaining a second selection of a third plurality of unconventional wells for a second well block;   determining predicted development cost data for the second well block based on second target data, second wellstream fluid data, and second surface equipment data; and   determining whether the predicted development cost data satisfies a second predetermined criterion.   
     
     
         16 . The system of  claim 14 ,
 wherein the refined product is selected from a group consisting of ethane, propane, butane, pentane, and condensate, and   wherein the first wellstream fluid data describes one or more pressure-volume-temperature (PVT) properties of reservoir fluid based on one or more laboratory analyses.   
     
     
         17 . The system of  claim 14 , further comprising:
 a plant facility coupled to the unconventional well manager,   wherein the plant facility transmits second refined product data to the unconventional well manager, and   wherein the plurality of production shrinkage values are determined based on the second refined product data.   
     
     
         18 . The system of  claim 14 , further comprising:
 a downhole sampling device coupled to a second well,   wherein the downhole sampling device is configured to acquire a downhole fluid sample from a wellbore coupled to the second well,   wherein the downhole sampling device comprises a hydraulic fluid chamber, a sample chamber, a floating piston, a mechanical timer, a triggering system, a hanging head, and a closing mechanism, and   wherein the first wellstream fluid data is based on the downhole fluid sample.   
     
     
         19 . The system of  claim 14 , further comprising:
 a second well; and   a gathering system coupled to the first well and the second well,   wherein the unconventional well manager obtains surface equipment data regarding the gathering system, and   wherein the predicted refined product data is based on the surface equipment data.   
     
     
         20 . The system of  claim 14 ,
 wherein at least one of the plurality of production shrinkage values describes a ratio of a predetermined amount of well production to a predetermined product yield.