CN212722198U - Sampling device for oilfield additives - Google Patents
Sampling device for oilfield additives Download PDFInfo
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- CN212722198U CN212722198U CN202021223553.0U CN202021223553U CN212722198U CN 212722198 U CN212722198 U CN 212722198U CN 202021223553 U CN202021223553 U CN 202021223553U CN 212722198 U CN212722198 U CN 212722198U
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- auxiliary agent
- sampling
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- sampling tube
- oil field
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Abstract
The utility model provides a sampling device for oil field auxiliary agent, include: a hollow sampling tube; an annular snap wing disposed on the hollow sampling tube, the annular snap wing being proximate to the first end of the hollow sampling tube; the absorber is used for absorbing the auxiliary in the oil field auxiliary barrel, and can quantitatively absorb the auxiliary; wherein, the second end of cavity sampling pipe can insert oil field auxiliary agent bucket and extend to the middle part region of oil field auxiliary agent bucket, and can pass through annular card wing card is in the bung department of oil field auxiliary agent bucket, the first end that the aspirator can insert cavity sampling pipe to absorb the regional auxiliary agent in middle part of oil field auxiliary agent bucket, and can take out and inject and send the appearance bottle in, thereby accomplish the sampling.
Description
Technical Field
The utility model relates to an oil field auxiliary sampling instrument technical field, concretely relates to a sampling device for oil field auxiliary.
Background
In the oil and gas exploitation process, sampling and inspection are required to be carried out on used oil field additives such as corrosion inhibitors, demulsifiers, desulfurizing agents and the like before use so as to detect the quality and the organic chlorine content of the additives. In the prior art, sampling instruments such as a sampling cup, a sampling tube and the like are generally used for manual sampling.
However, the auxiliary agent barrel is mostly a small caliber, such as a blue plastic barrel or a stainless steel barrel with a diameter of about 6cm, and is high, about 1 m. Therefore, in the prior art, some problems still exist in manual sampling, for example, a sampling cup used manually is an open container, and when a sampling person takes out the auxiliary barrel through the sampling cup, the auxiliary can be attached to the outer surface of the sampling cup, so that the auxiliary is easy to spill, the sampling cup is easy to topple, and the sampling is extremely inconvenient. In addition, when the auxiliary agent is poured into the sample feeding bottle, the auxiliary agent is easily spilled to cause waste of the auxiliary agent because the sample feeding bottle is a narrow-mouth bottle. The sampling pipe that artifical used is the glass pipe, because the auxiliary agent bucket is higher, for the validity that improves the sampling detection auxiliary agent, need get middle part appearance, and this makes the length of sampling pipe at least need 0.5 m. When sampling, a sampling person needs to pull the sampling tube out of the auxiliary agent barrel completely, so that the sampling person needs to lift the arm to a high position, and when pouring the auxiliary agent into the sample feeding bottle, the operation is difficult due to the long tube, and the auxiliary agent is easy to spill out of the sample feeding bottle to cause auxiliary agent waste.
In addition, some auxiliary agents such as corrosion inhibitors have pungent odor, and after the auxiliary agents are scattered, the auxiliary agents have stimulation effect on the respiratory system of sampling personnel and can influence the physical health of the sampling personnel.
SUMMERY OF THE UTILITY MODEL
To the technical problem as above, the utility model aims at providing a sampling device for oil field auxiliary agent, this sampling device can effectively avoid the auxiliary agent extravagant to can the accurate control volume of gathering, effectively reduced the degree of difficulty of sampling operation, be favorable to improving sampling efficiency and sampling effect.
Therefore, according to the utility model provides a sampling device for oil field auxiliary agent, include: a hollow sampling tube; an annular snap wing disposed on the hollow sampling tube, the annular snap wing being proximate to the first end of the hollow sampling tube; the absorber is used for absorbing the auxiliary in the oil field auxiliary barrel, and can quantitatively absorb the auxiliary; wherein, the second end of cavity sampling pipe can insert oil field auxiliary agent bucket and extend to the middle part region of oil field auxiliary agent bucket, and can pass through annular card wing card is in the bung department of oil field auxiliary agent bucket, the first end that the aspirator can insert cavity sampling pipe to absorb the regional auxiliary agent in middle part of oil field auxiliary agent bucket, and can take out and inject and send the appearance bottle in, thereby accomplish the sampling.
In one embodiment, the annular snap wings are no more than 3cm from the first end of the hollow sampling tube and the annular snap wings are no less than 50cm from the second end of the hollow sampling tube.
In one embodiment, the diameter of the annular clamping wing is larger than that of a liquid extraction port on a barrel cover of the oilfield aid barrel.
In one embodiment, the annular clamping wing is sleeved on the hollow sampling pipe in a threaded connection mode, and the annular clamping wing can be connected to the axial position of the hollow sampling pipe in an adjustable mode, so that the depth of the hollow sampling pipe extending into the auxiliary agent barrel is adjusted, and reagents in different depth areas in the auxiliary agent barrel of the oil field are sucked.
In one embodiment, the second end of the hollow sampling tube is provided with a chamfer.
In one embodiment, the aspirator comprises a suction chamber, a suction head disposed at an end of the suction chamber and extending axially outward, and a piston assembly disposed inside the suction chamber,
the assistant can be sucked or discharged from the liquid suction cavity through the liquid suction head by pulling or pushing the piston assembly.
In one embodiment, the outer diameter of the pipette cavity is greater than the outer diameter of the hollow sampling tube and the diameter of the pipette head is less than the inner diameter of the hollow sampling tube.
In one embodiment, the length of extension of the pipetting head is not less than 5 cm.
In one embodiment, the liquid suction cavity is transparent, and scale marks are arranged on the surface of the liquid suction cavity.
In one embodiment, the volume of the aspirator is set to 1L.
Compared with the prior art, the utility model has the advantages of:
according to the utility model discloses a sampling device for oil field auxiliary agent makes the middle part regional auxiliary agent that the oil field auxiliary agent bucket can be gathered to the absorption ware through cavity sampling pipe, and absorbs the ware and be equipped with the scale mark, and it can absorb the auxiliary agent according to predetermined acquisition volume ration, and this makes the absorption ware can accurately absorb required auxiliary agent volume. The sample bottle can be directly injected into the sample delivery bottle after the auxiliary agent is absorbed by the absorber, the auxiliary agent can be effectively prevented from being spilled, the waste of the auxiliary agent is greatly reduced, and the stimulation of the auxiliary agent to a human body can be effectively avoided. In addition, the sampling device is simple in structure, convenient and fast to operate, capable of remarkably improving sampling efficiency and low in manufacturing cost.
Drawings
The present invention will be described with reference to the accompanying drawings.
Fig. 1 schematically shows the structure of a sampling device for oilfield additives according to the present invention in a use state.
Fig. 2 schematically shows the structure of a hollow sampling tube in the sampling device of fig. 1.
Fig. 3 schematically shows the structure of the aspirator in the sampling device shown in fig. 1.
In the present application, all the figures are schematic and are only intended to illustrate the principles of the present invention and are not drawn to scale.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
Fig. 1 schematically shows the structure of a sampling device 100 for oilfield additives according to the present invention in a use state. As shown in FIG. 1, sampling device 100 comprises a hollow sampling tube 10 and an aspirator 30. An axially extending channel is formed in the middle of the hollow sampling tube 10. The hollow sampling tube 10 is for insertion into an oilfield agent barrel 40 and the agent in the oilfield agent barrel enters the passageway. The aspirator 30 is adapted to be inserted into a first end (upper end in fig. 1) of the hollow sampling tube 10 to communicate with a passage of the hollow sampling tube 10, thereby aspirating an auxiliary in the oilfield auxiliary tank 40 for sampling.
As shown in FIG. 2, an annular snap wing 20 is provided on the hollow sampling tube 10. An annular snap wing 20 is provided at a location of the hollow sampling tube 10 near the first end. The annular snap wings 20 are arranged at a distance of not more than 3cm from the first end of the hollow sampling tube 10. The annular snap wings 20 are arranged at a distance of not less than 50cm from the second end of the hollow sampling tube 10. In one embodiment, the annular snap wings 20 are positioned 3cm from the first end of the hollow sampling tube 10 and the annular snap wings 20 are positioned 50cm from the second end of the hollow sampling tube 10. Thus, the length of the hollow sampling tube 10 at the lower portion of the annular snap wings 20 is 50cm, and the length of the hollow sampling tube 10 at the upper portion of the annular snap wings 20 is 3 cm. During sampling, the second end of the hollow sampling tube 10 is inserted into the oilfield agent barrel 40 and is clamped at the sampling port on the barrel cover 41 of the oilfield agent barrel 40 by the annular clamping wing 20. The second end of the hollow sampling tube 10 extends to the middle region of the oilfield agent barrel 40, so that the sampler 30 can sample the mixed agents in the middle region of the oilfield agent barrel 40, thereby improving the reliability of the sampled agent sample and enhancing the effectiveness and accuracy of the agent sample detection result.
In this embodiment, the diameter of the hollow sampling tube 10 is set to be smaller than the diameter of the sampling port on the barrel cover 41 of the oilfield aid barrel 40, and the diameter of the annular snap wing 20 is set to be larger than the diameter of the sampling port on the barrel cover 41 of the oilfield aid barrel 40. Preferably, the diameter of the hollow sampling tube 10 is set to 2cm and the diameter of the annular snap wings 20 is set to 8 cm. This size of the hollow sampling tube 10 and the annular snap wings 20 enables the hollow sampling tube 10 to be effectively snapped into the sampling port on the lid 41 of the oilfield aid cartridge 40 during sampling.
To facilitate insertion of the second end of the hollow sampling tube 10 into the oilfield aid bucket 40 through a sampling port in the lid 41, the second end of the hollow sampling tube 10 may be chamfered.
In one embodiment, both the annular snap wings 20 and the hollow sampling tube 10 are made of stainless steel.
According to the present invention, the ring-shaped clamping wings 20 are integrated with the hollow sampling tube 10. In one embodiment, an external thread is provided on the outer circumferential wall of the hollow sampling tube 10, the annular snap wing 20 is provided with an internal thread, and the annular snap wing 20 is connected with the external thread on the hollow sampling tube 10 through the internal thread in a matching manner, so as to be installed on the hollow sampling tube 10. The annular snap wings 20 are capable of rotating relative to the hollow sampling tube 10 via internal and external threads to adjust the axial position of the annular snap wings 20 on the hollow sampling tube 10. Thus, the distance between the annular clamping wing 20 and the second end of the hollow sampling pipe 10 can be adjusted, so that the auxiliary agents in different height areas in the oilfield auxiliary agent barrel 40 can be collected according to requirements. Therefore, the auxiliary agent samples in different areas in the oil field auxiliary agent barrel 40 can be collected for multiple times, the reliability of the auxiliary agent samples is greatly improved, and the effectiveness and the accuracy of the auxiliary agent sample detection result are enhanced.
As shown in fig. 3, the aspirator 30 includes a liquid suction chamber 31 configured in a hollow cylindrical shape, a liquid suction head 32 provided at an end of the liquid suction chamber 31 and extending axially outward, and a piston assembly 33 provided inside the liquid suction chamber 31. The piston assembly 33 includes a piston and a piston rod fixedly connected to the piston. When the auxiliary agent is sucked, the auxiliary agent can be sucked into or discharged from the liquid suction chamber 31 through the liquid suction head 32 by pulling or pushing the piston rod in the piston assembly 33 to move the piston.
According to the utility model discloses, the external diameter of imbibition chamber 31 sets to be greater than the external diameter of cavity sampling pipe 10, and the diameter of imbibition head 32 sets to be less than the diameter of cavity sampling pipe 10. In order to ensure that the pipette tip 32 can extend into the hollow sampling tube 10 and the end of the pipette tip 32 can extend below the level of the auxiliary agent, the axial extension of the pipette tip 32 is set to not less than 5 cm. This allows the pipette tip 32 to be positioned so that when inserted into the hollow sampling tube 10, the end of the pipette tip 32 will extend beyond the annular snap wings 20, thereby ensuring that the extractor 30 can smoothly extract the oilfield additive from the oilfield additive channel 40.
In this embodiment, the liquid chamber 31 is provided to be transparent, and scale lines 34 are provided on the surface of the liquid chamber 31. Therefore, the auxiliary agent can be quantitatively absorbed through the scale marks 34 as required, and the accuracy of the absorbed auxiliary agent amount is effectively improved. In one embodiment, the volume of the aspirator 30 is set to 1L with an accuracy of 0.1L.
In the sampling process, insert the first end of cavity sampling pipe 10 with imbibition head 32 to make the tip card of imbibition chamber 31 at the first end of cavity sampling pipe 10, the free end of imbibition head 32 stretches into under the auxiliary agent liquid level, can gather the auxiliary agent through the piston rod that upwards stimulates in the piston assembly 33. Under the action of the scale mark 34, the absorption amount of the auxiliary agent can be determined according to the total sample feeding amount and the number of sampled samples. For example, when the total sample sending amount is 0.5L, 1L of the total collection amount is needed, and half of the sample sending units are reserved for standby. Assuming that the number of the samples to be extracted is 10 barrels, 0.1L of the sample is taken from each barrel, the sample is completely injected into the sample conveying bottle, and the auxiliary agents in the sample conveying bottle are evenly mixed and then are divided into two parts. Therefore, the suction device 30 can accurately suck the required assistant amount through the scale marks 34, samples can be collected for multiple times and then sampled after mixing, the reliability of the assistant samples is greatly improved, and the effectiveness and the accuracy of the assistant sample detection result are enhanced. In addition, when the suction device 30 is taken out and the medicine is injected into the sample feeding bottle, the suction device 30 can effectively reduce the waste caused by the spilling of the auxiliary agent and effectively reduce the stimulation of the auxiliary agent to the human body.
According to the utility model discloses a sampling device 100 for oil field auxiliary agent makes absorber 30 can gather the regional auxiliary agent in middle part of oil field auxiliary agent bucket through cavity sampling pipe 10, and absorber 30 is equipped with scale mark 34, it can absorb the auxiliary agent according to predetermined acquisition volume ration, this makes absorber 30 can accurately absorb required auxiliary agent volume, and can gather the sample many times and mix the back and take a sample again, the reliability of auxiliary agent sample has greatly been improved, the validity and the accuracy of auxiliary agent sample testing result have been strengthened. The absorber 30 can directly inject the auxiliary into the sample delivery bottle after absorbing the auxiliary, which can effectively avoid the auxiliary from spilling out, greatly reduce the waste of the auxiliary and effectively avoid the stimulation of the auxiliary to human body. In addition, the sampling device 100 is simple in structure, convenient and fast to operate, capable of remarkably improving sampling efficiency and low in manufacturing cost.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and should not be construed as limiting the present invention in any way. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing examples, or that equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A sampling device for oilfield additives, comprising:
a hollow sampling tube (10);
an annular snap wing (20) disposed on the hollow sampling tube, the annular snap wing being proximate to the first end of the hollow sampling tube; and
the absorber (30) is used for absorbing the auxiliary agent in the oil field auxiliary agent barrel, and the absorber can quantitatively absorb the auxiliary agent;
wherein, the second end of cavity sampling pipe can insert oil field auxiliary agent bucket and extend to the middle part region of oil field auxiliary agent bucket, and can pass through annular card wing card is in the bung department of oil field auxiliary agent bucket, the first end that the aspirator can insert cavity sampling pipe to absorb the regional auxiliary agent in middle part of oil field auxiliary agent bucket, and can take out and inject and send the appearance bottle in, thereby accomplish the sampling.
2. The sampling device of claim 1, wherein the annular snap is no more than 3cm from the first end of the hollow sampling tube and the annular snap is no less than 50cm from the second end of the hollow sampling tube.
3. The sampling device of claim 1 or 2, wherein the annular snap wings have a diameter greater than a diameter of a fluid production port on a barrel lid of the oilfield aid barrel.
4. The sampling device of claim 1 or 2, wherein the annular snap wings are sleeved on the hollow sampling tube in a threaded connection manner, and the annular snap wings can be adjusted and connected to the axial position on the hollow sampling tube to adjust the depth of the hollow sampling tube extending into the auxiliary barrel, so that reagents in different depth regions in the oilfield auxiliary barrel can be sucked.
5. The sampling device of claim 1, wherein the second end of the hollow sampling tube is provided with a chamfer.
6. The sampling device according to claim 1, characterized in that the aspirator comprises a pipetting cavity (31), a pipetting head (32) arranged at the end of the pipetting cavity and extending axially outwards, and a piston assembly (33) arranged inside the pipetting cavity,
the assistant can be sucked or discharged from the liquid suction cavity through the liquid suction head by pulling or pushing the piston assembly.
7. The sampling device of claim 6, wherein the outer diameter of the pipette cavity is greater than the outer diameter of the hollow sampling tube and the diameter of the pipette head is less than the inner diameter of the hollow sampling tube.
8. The sampling device of claim 6, wherein the pipette tip extends no less than 5cm in length.
9. The sampling device according to any one of claims 6 to 8, characterized in that the aspiration chamber is provided transparent and that graduation marks (34) are provided on the surface of the aspiration chamber.
10. The sampling device of claim 1, wherein the volume of the aspirator is set to 1L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223553.0U CN212722198U (en) | 2020-06-29 | 2020-06-29 | Sampling device for oilfield additives |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021223553.0U CN212722198U (en) | 2020-06-29 | 2020-06-29 | Sampling device for oilfield additives |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212722198U true CN212722198U (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021223553.0U Active CN212722198U (en) | 2020-06-29 | 2020-06-29 | Sampling device for oilfield additives |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212722198U (en) |
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2020
- 2020-06-29 CN CN202021223553.0U patent/CN212722198U/en active Active
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