Tracer autosampling method
Systems and methods for collecting samples of production fluid from a wellbore are disclosed. In one example, a method for collecting samples of production fluid from a wellbore includes providing a fluid collector configured to selectively divert production fluid from a production flow line downstream of the wellbore to at least one sample container, and a controller configured to communicate with a computing device located remote from the fluid collector, and instructing the fluid collector to divert samples of production fluid to the at least one sample container according to a first sample collection schedule. The method also includes, during the first sample collection schedule, instructing the fluid collector, via the computing device located remote from the fluid collector, to divert samples of production fluid to the at least one sample container according to a second sample collection schedule.
1 . A method for collecting samples of production fluid from a wellbore, the method comprising:
providing a fluid collector configured to selectively divert the production fluid from a production flow line downstream of the wellbore to at least one of a plurality of sample containers on a carousel, and a controller comprising a processor, a memory, and a communication module configured to communicate with a computing device located remote from the fluid collector;
instructing the fluid collector to divert multiple samples of the production fluid to at least one of the sample containers according to a first sample collection schedule;
during the first sample collection schedule, instructing the fluid collector, via the computing device located remote from the fluid collector, to divert multiple samples of the production fluid to at least another one of the sample containers on the carousel, and changing the first sample collection schedule to a second sample collection schedule, the second sample collection schedule being different than the first collection schedule; and
collecting the sample containers from the carousel for analysis.
2 . The method of claim 1 , further comprising:
monitoring one or more sensors to collect data associated with at least one of: a location of the fluid collector; a pressure of the production fluid; a flow rate of the production fluid; a pressure of a pneumatic actuation system associated with the fluid collector; an ambient temperature; and a level of a power supply configured to supply electrical power to the controller; and
transmitting at least a portion of the collected data to the computing device located remote from the fluid collector.
3 . The method of claim 2 , wherein the monitoring is performed at least every 60 minutes, at least every 30 minutes, or at least every 15 minutes.
4 . The method of claim 2 , wherein the second sample collection schedule is determined in response to at least the portion of the collected data transmitted to the computing device located remote from the fluid collector.
5 . The method of claim 2 , wherein the collected data comprises data associated with the pressure of the production fluid, and wherein in response to determining that the pressure of the production fluid has increased or decreased by a predetermined percentage, the fluid collector is instructed to divert samples of the production fluid to the another one of the sample containers according to the second sample collection schedule and within a predetermined time of determining the increase or decrease in production fluid pressure.
6 . The method of claim 5 , wherein the predetermined percentage is between about 5% and about 25%.
7 . The method of claim 5 , wherein the predetermined time is between about 2 minutes and about 30 minutes.
8 . The method of claim 2 , wherein the collected data comprises data associated with the flow rate of the production fluid, and wherein in response to determining that the flow rate of the production fluid has increased or decreased by a predetermined percentage, the fluid collector is instructed to divert samples of the production fluid to the another one of the sample containers according to the second sample collection schedule within a predetermined time of determining the increase or decrease in production fluid flow rate.
9 . The method of claim 8 , wherein the predetermined percentage is between about 5% and about 25%.
10 . The method of claim 8 , wherein the predetermined time is between about 2 minutes and about 30 minutes.
11 . The method of claim 1 , wherein the first sample collection schedule comprises diverting samples of production fluid to the at least one sample container more frequently than the second sample collection schedule.
12 . The method of claim 1 , wherein the first sample collection schedule comprises diverting a first volume of production fluid to the at least one sample container and the second sample collection schedule comprises diverting a second volume of production fluid to the at least one sample container.
13 . The method of claim 12 , wherein the first volume is greater than the second volume.
14 . The method of claim 1 , further comprising, after instructing the fluid collector to divert multiple samples of production fluid to the at least one sample container according to the second sample collection schedule:
instructing the fluid collector, via the computing device located remote from the fluid collector, to divert multiple samples of production fluid to the at least one sample container according to a third sample collection schedule, the third sample collection schedule being different than the second collection schedule.
15 . The method of claim 1 , wherein instructing the fluid collector to divert multiple samples of production fluid to the at least one of the sample containers according to the first sample collection schedule is performed at the fluid collector.
16 . A method of collecting samples of production fluid from a wellbore, the method comprising:
providing a fluid collector configured to selectively divert the production fluid from a production flow line downstream of the wellbore to at least one of a plurality of sample containers on a carousel, and a controller comprising a processor, a memory, and a communication module configured to communicate with a computing device;
instructing the fluid collector to divert multiple samples of the production fluid to the at least one of the sample containers according to a first sample collection schedule;
monitoring one or more sensors to collect data associated with at least one of: a location of the fluid collector; a pressure of the production fluid; a flow rate of the production fluid; a pressure of a pneumatic actuation system associated with the fluid collector; an ambient temperature; and a level of a power supply configured to supply electrical power to the controller;
transmitting at least a portion of the collected data to the computing device, wherein the controller is configured to change the first sample collection schedule in response to the data transmitted and divert a sample of the production fluid to another one of the sample containers on the carousel upon changing the first sample collection schedule; and
collecting the sample containers from the carousel for analysis.
17 . The method of claim 16 , wherein the collected data comprises data associated with the pressure of the production fluid, and wherein:
in response to determining that the pressure of the production fluid has increased or decreased by a predetermined percentage, the controller is configured to change the first sample collection schedule to a second sample collection schedule, and
the second sample collection schedule comprises diverting the sample of production fluid to the another one of the sample containers within a predetermined time of determining the increase or decrease in production fluid pressure.
18 . The method of claim 16 , wherein the collected data comprises data associated with the flow rate of the production fluid, and wherein;
in response to determining that the flow rate of the production fluid has increased or decreased by a predetermined percentage, the controller is configured to change the first sample schedule to a second sample collection schedule, and
the second sample collection schedule comprises diverting the sample of production fluid to the another one of the sample containers within a predetermined time of determining the increase or decrease in production fluid flow rate.
19 . A method of collecting samples of production fluid from a wellbore, the method comprising:
providing a fluid collector configured to selectively divert the production fluid from a production flow line downstream of the wellbore to at least one of a plurality of sample containers on a carousel, and a controller comprising a processor, a memory, and a communication module configured to communicate with a computing device;
instructing the fluid collector to divert multiple samples of the production fluid to at least one of the sample containers according to a first sample collection schedule;
monitoring one or more sensors to collect data associated with at least one of: a location of the fluid collector; a pressure of the production fluid; a flow rate of the production fluid; a pressure of a pneumatic actuation system associated with the fluid collector; an ambient temperature; and a level of a power supply configured to supply electrical power to the controller;
instructing the fluid collector to divert multiple samples of the production fluid to another one of the sample containers on the carousel and changing the first sample collection schedule to a second sample collection schedule in response to the collected data; and
collecting the sample containers from the carousel for analysis.
20 . The method of claim 19 , wherein monitoring the one or more sensors to collect data comprises collecting data associated with the pressure and/or the flow rate of the production fluid; and
wherein instructing the fluid collector to divert the samples of the production fluid to the another one of the sample containers according to the second sample collection schedule is in response to determining that the pressure and/or the flow rate of the production fluid has increased or decreased by a predetermined percentage.