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Modified fiber ball filter for oil field

A technology of modified fibers and filters, applied in the field of modified fiber ball filters for oil fields, can solve the problems of insufficient water injection, low oil field water injection quality, and difficult cleaning, etc., and achieves good elasticity and high tensile strength. , the effect of reducing usage

Active Publication Date: 2016-02-10
大庆市鑫吉盛石油设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, there are several defects in the existing fiber ball filter. First, in the process of filter filtration, since the filter plate arranged under the filter filler has a structure of holes and grooves, it is inevitable that some parts will not be filtered or completely filtered. The sewage directly flows out of the device through the filter plate, resulting in the poor quality of the oilfield water injection, which makes the water injection more and more unable to meet the needs
Furthermore, among the fiber ball filter fillers used today, although the filter effect is very good, there will be problems such as loose balls and entanglement, and it is not easy to clean, and it takes water and time.

Method used

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  • Modified fiber ball filter for oil field
  • Modified fiber ball filter for oil field
  • Modified fiber ball filter for oil field

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] Such as figure 1 As shown, a modified fiber ball filter for oil field includes a housing 1, a main shaft 2 and a lifting device 3, and is characterized in that, both sides above the housing 1 are provided with a filtrate inlet 5, and the middle part of the housing 1 One side is provided with a filter packing inlet and outlet 6, the other side of the middle is provided with an observation hole 7, both sides of the lower part of the housing are provided with a filtrate outlet 14, and a power unit 8 is provided in the middle of the upper part of the housing 1, and the lower end An agitator 4 is provided in the middle, and a baffle 9 is provided on the main shaft 2; the main shaft 2 and the baffle 9 are placed in the housing 1, and a filter packing 10 is provided under the baffle 9, The bottom of the filter packing 10 is provided with a filter baffle 11, the bottom of the filter baffle 11 is provided with a rotating shaft 12, the upper end of the rotating shaft 12 is provid...

Embodiment 2

[0037] This embodiment is the same as Example 1, except that the modified fiber balls also contain natural cellulose fibers, polyester filaments and cotton filaments, and the natural cellulose fibers account for 1% of the modified fiber balls. The mass percentage is 20%, the mass percentage of the polyester yarn accounting for the modified fiber ball is 9%, the cotton yarn accounting for the mass percentage of the modified fiber ball is 15%, and the modified polyester amide The mass percent that fiber silk accounts for described modified fiber ball is 56%, and the preparation method of described modified fiber ball comprises the following steps:

[0038] Step 1. After shaping the modified polyester fiber filaments, natural cellulose fibers and polyester filaments into fiber bundles according to the set ratio, use multiple supporting fixtures to support the two ends of the fiber bundles and tighten them , so that the fiber bundles are linear;

[0039] After step 2 and step 1 a...

Embodiment 3

[0042] This embodiment is the same as Embodiment 1 and Embodiment 2, except that the modified fiber balls also contain natural cellulose fibers, polyester filaments and cotton filaments, and the natural cellulose fibers account for the modified fiber balls. The mass percentage of the modified fiber ball is 16%, the polyester yarn accounts for 8% of the modified fiber ball, and the cotton yarn accounts for 12% of the modified fiber ball. The mass percentage that permanent polyamide ester fiber silk accounts for described modified fiber ball is 64%, and the preparation method of described modified fiber ball comprises the following steps:

[0043] Step 1. After shaping the modified polyester fiber filaments, natural cellulose fibers and polyester filaments into fiber bundles according to the set ratio, use multiple supporting fixtures to support the two ends of the fiber bundles and tighten them , so that the fiber bundles are linear;

[0044] After step 2 and step 1 are comple...

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Abstract

The invention discloses a modified fiber ball filter for an oil field. The modified fiber ball filter comprises a shell, a main shaft and a lifting device, wherein filtrate inlets are formed in two sides of the upper part of the shell; filter packing outlet and inlet are formed in one side of the middle part of the shell; an observation hole is formed in the other side of the middle part; filtrate outlets are formed in two sides of the lower part of the shell; a power device is also arranged in the middle of the upper part of the shell; and a stirrer is arranged in the middle of the lower end; and a baffle plate is arranged on the main shaft. The work efficiency of an existing filter and the oil field injection quality are improved by changing the structure of an existing filter baffle plate and arranging a plurality of filtrate outlets and inlets; the filter can adapt to the production requirements under certain cost control; meanwhile, a modified fiber ball which is relatively efficient, easy to clean and free of loosening is provided; the filtering efficiency is further improved; and the usage amount of the filter packing by the filter is reduced.

Description

technical field [0001] The invention relates to the technical field of purification filters, in particular to a modified fiber ball filter for oil fields. Background technique [0002] At present, domestic oil field filters mainly include quartz sand filters, walnut shell filters, fiber ball filters and a small amount of fiber bundle filters. Among them, the quartz sand filter is a filter using quartz sand as a filler. Although it has the advantages of small filtration resistance, large specific surface area, strong acid and alkali resistance, and good pollution resistance, it has low precision for sewage treatment. It is difficult to meet the water quality index requirements of low-permeability oil field injection; the walnut shell filter uses walnut shell as the filter medium, because the walnut shell used as the filter medium has been specially treated, so it has a large surface area, strong adsorption capacity, and high removal rate. Advantages, but it also has the prob...

Claims

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Application Information

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IPC IPC(8): B01D24/12B01D24/46
Inventor 李燕
Owner 大庆市鑫吉盛石油设备有限公司
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