LUBRICATION FLOW METER

Abstract

The lubrication flowmeter is configured to be a part of the lubrication system to grease frack valves. The system generally utilizes a manifold to connect to the various fracked valves and at least one pressure transducer providing wellbore pressure and preferably a second pressure transducer providing grease pressure at either the manifold or the pump. A programmable logic controller is provided to activate the grease pump upon reaching preset conditions and to deactivate the grease pump upon reaching a second set of conditions such as pressure threshold, time limit, or volume limits of greased pumped.

Claims

1) A lubrication flow meter system comprising: a pump, a pressure sensor providing an electronic wellbore pressure indication, wherein the pump provides lubricant at greater than wellbore pressure, a frack valve having a through bore, a grease cavity, and a port between an exterior of the frack valve the grease cavity; a programmable logic controller that switches on the pump at predetermined pressure or time intervals, wherein the programmable logic controller switches off the pump upon reaching predetermined pressure, time, or volume limits.

2) The lubrication system of claim 1 wherein, an alarm is activated upon exceeding predetermined pressure, time, or volume limits.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0010] FIG. 1 is a side view of a frack valve configured for greasing.

[0011] FIG. 2 is a top view of the frack valve of FIG. 1 configured for greasing.

[0012] FIG. 3 is a block diagram depicting the process for lubricating a frack valve.

DETAILED DESCRIPTION

[0013] FIG. 1 is a is a frack valve 10 configured for greasing. With an arrow 12 that indicates the flow of frack or other fluid into the valve 10. We have a gate 16, a first stem 18, and a second stem 20. The stems 18 and 20 move the gate 16 within the valve 10 to allow or restrict the flow of fracking fluid 12 through the valve 10.

[0014] FIG. 2 is a top view of the frack valve from FIG. 1. Port 30 is the through bore that passes through the body 11 of frack valve 10. The fracking fluid 12 passes into the frack valve 10 through port 30. In between the gate 16 and the body 11 is grease cavity 32 a first flow line 34 allows grease to flow into grease cavity 32 and eventually exiting grease cavity 32 into the interior through bore 40 as indicated by arrows 37. Grease also flows to exit the valve 10 through port 36 as the grease exits grease cavity 32 as indicated by arrow 39.

[0015] FIG. 3 is a block diagram depicting the process for lubricating a frack valve.

[0016] While the embodiments are described with reference to various implementations and exploitations, it will be understood that these embodiments are illustrative and that the scope of the inventive subject matter is not limited to them. Many variations, modifications, additions and improvements are possible.

[0017] Plural instances may be provided for components, operations or structures described herein as a single instance. In general, structures and functionality presented as separate components in the exemplary configurations may be implemented as a combined structure or component. Similarly, structures and functionality presented as a single component may be implemented as separate components. These and other variations, modifications, additions, and improvements may fall within the scope of the inventive subject matter.