涪陵气田：节能减排融入生产全链条
Fuling Gas Field: Energy saving and emission reduction into the whole production chain
江汉油田涪陵页岩气公司采取选用环保节能设备、开展技术改造、强化节能监测等一系列措施
Fuling Shale Gas Company of Jianghan Oilfield adopted a series of measures, such as selecting environment-friendly and energy-saving equipment, carrying out technical transformation and strengthening energy-saving monitoring
“我们为压缩机找了个节能‘伙伴’——高压变频装置，节电率可达20%。”10月18日，在集气站压缩机节能技术改造现场，江汉油田涪陵页岩气公司采气运维部主管蒋兴海向记者介绍。
"We have found an energy-saving 'partner' for the compressor -- a high-voltage frequency conversion device, which can save up to 20 percent of electricity." On October 18, in the gas collecting station compressor energy saving technology transformation site, Jiang Xinghai, director of gas production operation and maintenance Department of Fuling shale gas Company, Jianghan Oilfield, introduced to reporters.
涪陵页岩气田开发环节多，涉及钻前、钻井、压裂、试气、采气等多个环节，气田管理单位——江汉油田涪陵页岩公司按照国家“双碳”目标要求，在开发建设中主打“绿色”牌，采取选用环保节能设备、开展技术改造、强化节能监测等一系列措施，推进开发全过程降能耗、控物耗、减排放。
Fuling shale gas field development links, involved before drilling, drilling, fracturing, test, multiple links such as compressed gas, jianghan oilfield fuling shale gas field management unit, the company in accordance with requirements of the national "double carbon" target, main "green" brand in the development and construction, to choose environmental protection and energy saving equipment, carry out technological transformation, a series of measures such as strengthening energy conservation monitoring, We will reduce energy consumption, control material consumption, and reduce emissions throughout development.
源头促“绿”，选用环保节能产品
Promote "green" at the source and select environment-friendly and energy-saving products
公司及时跟踪国家和行业最新节能标准，在评估项目投资时，深入开展节能评估与用能审查，从源头上严控新上高耗能项目，大力选用环保节能设备，让节能设备“牢牢守岗”。
The company keeps track of the latest national and industrial energy saving standards in time, conducts in-depth energy saving evaluation and energy consumption review when evaluating project investment, strictly controls the new high-energy consumption projects from the source, vigorously selects environmental protection and energy saving equipment, and makes the energy saving equipment "firmly guard the post".
加热炉是气田重要且常用的采气设备，公司在采购时就明确绿色环保为首要条件，选择负压式抽排烟，较正压式加热炉综合节能在10%以上，并专门对加热炉的核心部件——燃烧器进行优化，选用更加节能环保的燃烧器，提高燃烧效率，减少烟气量和氮化物排放。
Heating furnace is important and commonly used gas recovery equipment, the company at the time of purchase is clear green environmental protection as the first condition, choose the negative pressure smoke exhaust, more positive pressure furnace comprehensive energy saving over 10%, and optimize the core parts of the burner heating furnace, chooses more energy conservation and environmental protection of the burner, increase the combustion efficiency, reduce the smoke gas and nitrogen emissions.
在压缩机选型上，公司全面推广使用高压压缩机，相比低压压缩机，投资少、经济性高，年节电3.4%，约9.7万千瓦时。变压器则选用节能型S13系列，铜铁损较前一系列变压器减少6%以上。
In compressor selection, the company comprehensively promotes the use of high pressure compressor, compared with low pressure compressor, less investment, high economy, annual electricity saving 3.4%, about 97,000 KWH. Transformer is selected energy saving S13 series, copper and iron loss compared with the previous series of transformers reduced by more than 6%.
钻机、压裂机组是气田开发的重要装备，公司颠覆传统的柴油驱动方式，用先进的电驱钻机、压裂机组，代替柴驱钻机、压裂机组，不但占地面积小，能耗低，噪音低，而且不产生任何氮氧化合物、二氧化碳等有害气体，更加低碳环保。今年以来，公司利用电驱钻机钻完48口气井，单井电驱钻井能耗比柴驱钻井节约能耗356.36吨标煤，累计减少能耗1.71万吨标煤;累计在20口气井采用电驱压裂完成507段压裂，单段电驱压裂能耗比柴驱压裂节约13.24吨标煤，累计减少能耗6712吨标煤。
Drilling, fracturing units is an important equipment of field development, the company to subvert the traditional way of diesel, using the advanced electric drive drilling rig, fracturing units, instead of wood to drive drilling rig, fracturing units, not only cover an area of an area small, low energy consumption, low noise, and does not produce any harmful gas such as nitrogen oxides, carbon dioxide, more low carbon environmental protection. Since this year, the company has drilled 48 gas Wells with electric drive drilling RIGS. The energy consumption of electric drive drilling in a single well is 356.36 tons of standard coal saving than that of diesel drive drilling, and the energy consumption is reduced by 17,100 tons of standard coal. A total of 507 stages of fracturing have been completed by electric flooding fracturing in 20 gas Wells. The energy consumption of single stage electric flooding fracturing is 13.24 tons less than that of diesel flooding fracturing, and the energy consumption is 6,712 tons less than that of standard coal.
目前，气田现用生产设备的各项环保、能耗指标在同类型企业中处于领先水平。
At present, the environmental protection and energy consumption indexes of the production equipment currently used in the gas field are at the leading level among similar enterprises.
技术添“绿”，实施节能减排工艺
"Green" technology, the implementation of energy-saving emission reduction process
10月初，焦页70-4HF井运用“试采一体化”新型测试技术，在气井测试求产时回收页岩气52.02万立方米。今年以来，已运用了29口气井，累计回收页岩气770多万立方米，减排二氧化碳2.2万吨。
In early October, the Jiaoye 70-4HF well used the new test technology of "integration of trial production" to recover 520,200 cubic meters of shale gas during the gas well test and production. Since the beginning of this year, 29 gas Wells have been used, recovering more than 7.7 million cubic meters of shale gas and reducing 22,000 tons of carbon dioxide.
“我们改造传统的点火放喷测试流程，通过安装新型背压阀，使气井可以边排液边生产，让原本放空燃烧的气体能及时进入采气流程，变为实实在在的产量。”公司试气项目部主管吴魏介绍。
"We modified the traditional firing and blowout test process by installing a new back-pressure valve that allows the well to drain liquid while producing, allowing the gas that would otherwise have been burned to enter the production process in time and turn it into real production." Company test gas project department director Wu Wei introduced.
为进一步促进节能环保减排，公司制定年度科技攻关计划、考核细则，把节能环保考核指标分解到井口，落实到人头，出台支持奖励制度，不断强化钻井、压裂试气、采气等方面的技术改进，力促气田环保节能减排。
In order to further promote energy conservation, environmental protection and emission reduction, the company has formulated annual scientific and technological breakthrough plans and assessment rules, decomposed the assessment indicators of energy conservation and environmental protection to the wellhead and implemented them to the head, issued a support and reward system, and continuously strengthened the technical improvement of drilling, fracturing gas testing and gas production, so as to promote environmental protection, energy conservation and emission reduction in the gas field.
公司今年积极推行“瘦身井”钻井技术，相比常规井钻井技术，钻机能耗降低25%，钻井套管用量减少15-25%，还大幅降低钻屑产生量。在三开水平段钻井时，公司用水基钻井液代替油基钻井液进行钻井施工，通过多轮次的适用性技术改进，成功实现三开水平段钻井“一趟钻”，不但节约了处理费用，有效杜绝危险固体废物产生，降低钻屑收集、处理过程中的环保风险。
This year, the company aggressively introduced "slimming well" drilling technology, which has reduced rig energy consumption by 25%, drilled casing consumption by 15-25%, and significantly reduced cuttings production compared to conventional well drilling technology. In three horizontal drilling, the company use water-based drilling fluid instead of oil-base drilling fluid in drilling construction, through many rounds the applicability of technology improvement, success to realize three open horizontal drilling "diamond", not only save the processing costs, effectively prevent hazardous solid waste, reduce the risk of drilling cuttings in the process of collecting, processing, environmental protection.
在采气技术改进中，针对井筒积液的低产井，公司逐年加大增压开采、气举作业、泡沫排水、柱塞排水等安全环保的排水采气措施力度，取代以往经常使用的点火放喷排液措施，平均每次排水采气措施，相比放喷排液措施可少燃烧页岩气2000立方米，不但增加了气田产量，还减少了废气、烟尘等排放，有效保护了环境。
In extraction technology improvement, the stripper well for wellbore liquid loading, the company increased year by year pressurization mining, gas lift, foam drainage, safe environmental protection of drainage gas recovery measures such as plunger drainage, instead use the ignition choke drainage measures, on average, each drainage gas recovery measures, choke drainage measures can burn less than 2000 cubic meters of shale gas, It not only increases the production of gas fields, but also reduces the emission of waste gas and soot, which effectively protects the environment.
目前，气田形成130多项节能环保技术，全电驱压裂技术达世界领先水平。
At present, more than 130 energy-saving and environment-friendly technologies have been developed in the gas field, and the all-electric fracturing technology has reached the world leading level.
监测保“绿”，积极采用优化建议
Monitor to ensure "green" and actively adopt optimization suggestions
“这台加热炉过剩空气系数高，说明炉内热空气多，会从炉中带走热量，造成能源浪费，可调节风门，降低进风量。”10月9日，公司节能监测人员对加热炉进行节能监测时，发现了问题，提出合理化建议。
"The high excess air coefficient in this heating furnace indicates that there is more hot air in the furnace, which will take away heat from the furnace and cause energy waste. The damper can be adjusted to reduce the air intake." On October 9, the energy saving monitoring personnel of the company carried out energy saving monitoring on the heating furnace, found the problem and put forward reasonable suggestions.
公司注重完善节能监督体系，制定年度节能监测计划，定期对加热炉、输水泵、变压器、压缩机、配电线路等主要能耗设备实施监测，形成节能监测报告，报告中含检测结果和建议，为专业管理部门提供节能降耗理论和技术支持。
Company pays attention to improve the energy efficiency supervision system, set up the annual energy saving monitoring plan, regularly for heating furnace, water pump, compressor, transformer, power circuit main energy consumption equipment and implement monitoring, formation energy conservation monitoring report, report containing test results and the suggestion, provide professional management departments with saving energy and reducing consumption theory and technical support.
压缩机是用电“大户”，也是节能监测的重点目标。公司针对气田部分采气区域增压开采存在“大马拉小车”情况，根据节能监测报告，积极开展区域增压技术改造，提高压缩机运行效率，实现节能降耗，今年以来累计节约用电300多万千瓦时，节约电耗达30%。
Compressor is the "big user" of electricity consumption, but also the key target of energy saving monitoring. In view of the situation of "big horse and small car" in pressurized exploitation of some gas production areas in the gas field, the company has actively carried out the transformation of regional pressurization technology according to the energy saving monitoring report to improve the operation efficiency of compressors and achieve energy saving and consumption reduction. Since this year, it has saved more than 3 million KWH of electricity and 30% of power consumption.
在焦页64号集气站，公司节能监测人员发现一台压缩机泵机组效率偏低，提出合理化节能建议，员工通过精算压缩机启动时间、开展节能技术改进等，提高了压缩机泵机组运行效率。
In Jiaoye No. 64 gas collecting station, the energy saving monitoring personnel of the company found that the efficiency of a compressor pump unit was low and put forward reasonable suggestions for energy saving. The staff improved the operation efficiency of the compressor pump unit by actuarial start-up time of the compressor and carrying out energy-saving technology improvement.
今年以来，气田开展了214台次节能监测，提节能建议23个，为节能减排工作保驾护航。
Since the beginning of this year, 214 sets of energy-saving monitoring have been carried out in the gas field, and 23 energy-saving suggestions have been put forward to protect the energy conservation and emission reduction work.
