Self-consistent flow regime identification for downhole monitoring
Systems and methods of the present disclosure include receiving measured data corresponding to a wellbore and locating the measured data in a flow map corresponding to the wellbore. The method also includes converting the measured data to determine friction loss and comparing the located measured data and the determined friction loss. Moreover, the method also includes determining that the located measured data is consistent with the determined friction loss with a common flow regime and deeming the common flow regime as a current flow regime. Furthermore, the method includes controlling an operation in the wellbore based at least in part on the deemed current flow regime.
1 . A method, comprising:
receiving, at one or more processors, measured data corresponding to a wellbore;
locating, using the one or more processors, the measured data in a flow map corresponding to the wellbore;
converting, using the one or more processors, the measured data to determine friction loss;
comparing, using the one or more processors, the located measured data and the determined friction loss;
determining, using the one or more processors, that the located measured data is consistent with the determined friction loss with a common flow regime;
deeming, using the one or more processors, the common flow regime as a current flow regime; and
using the one or more processors to control an operation in the wellbore based at least in part on the deemed current flow regime, wherein the operation comprises a production operation or a clean-out operation for the wellbore.
2 . The method of claim 1 , comprising selecting the flow map from a plurality of flow maps.
3 . The method of claim 2 , wherein selecting the flow map comprises receiving a user selection of the flow map.
4 . The method of claim 1 , wherein locating the measured data in the flow map comprises determining a first classification as a first flow regime of a plurality of flow regimes from the location in the flow map.
5 . The method of claim 4 , wherein locating the measured data in the flow map comprises determining a second classification as a second flow regime of the plurality of flow regimes from the determined friction loss.
6 . The method of claim 5 , wherein the determined friction loss comprises a probability density function for the determined friction loss and the plurality of flow regimes.
7 . The method of claim 1 , comprising receiving additional measured data that comprises a plurality of data points.
8 . The method of claim 7 , wherein at least one of the plurality of data points is not consistently classified between the flow map and the determined friction loss.
9 . The method of claim 8 , comprising adjusting at least one transition boundary of the flow map based at least in part on the at least one of the plurality of data points being inconsistently classified between the flow map and the determined friction loss.
10 . The method of claim 9 , wherein adjusting the at least one transition boundary comprises receiving manual adjustment of the at least one transition boundary until the at least one of the plurality of data points is the same flow regime in the flow map as indicated by the determined friction loss.
11 . The method of claim 9 , wherein adjusting the at least one transition boundary comprises performing an optimization process using a plurality of superficial velocities for the flow map to determine an improved curve for the at least one transition boundary.
12 . A system, comprising:
one or more memory devices storing instructions; and
one or more processors configured to execute the instructions to cause the one or more processors to:
receive measured data corresponding to a wellbore;
locate the measured data in a flow map corresponding to the wellbore to classify a measured flow regime for the measured data using a first classification;
convert the measured data to determine friction loss;
determine a second classification of the measured flow regime from the friction loss;
determine that the first and second classifications are not consistent;
adjust a transition boundary in the flow map based at least in part on the determination that the first and second classifications are not consistent; and
control an operation in the wellbore based at least in part on identification of the measured flow regime based on the adjustment of the transition boundary, wherein the operation comprises a production operation or a clean-out operation for the wellbore.