井綜合施工總結(jié)

十屋油田BK20P2井沖砂施工總結(jié)中國石化東北油氣分公司9十屋油田BK20P2井沖砂施工總結(jié)井段：2259-2263m編寫人：帖奇珍審核人：倪晶波隊(duì)長：張強(qiáng)施工單位：東北石油局工程公司試油二隊(duì)竣工日期：9月19日一、施工目旳解除近井污染，改善地層旳滲流條件，評(píng)價(jià)儲(chǔ)層產(chǎn)能。二、基本數(shù)據(jù)完井日期.3.23水泥返高(m)地面完鉆井深(m)2708.00固井質(zhì)量完鉆層位沙河子組鉆井泥漿密度1.15g/cm3補(bǔ)心高(m)5浸泡時(shí)間(d)油補(bǔ)距(m)5.1鉆井液漏失無最大井斜2330.73m/85.50井涌無原人工井底(m)已射孔層位砂面(m)已射孔井段(m)2258-2260m、2183-2185m2116-2118m、1908-1910m灰面(m)油層厚度(m)橋塞面(m)層數(shù)三、套管數(shù)據(jù)套管類型外徑(mm)內(nèi)徑(mm)鋼級(jí)壁厚(mm)下入深度(m)表層套管244.5222.4N8011.05248.35技術(shù)套管177.8161.7N808.051541.59技術(shù)套管177.8159.42N809.192270.00短套管位置(m)（工程深度）油層附近接箍位置（m）1840.52,1851.32,1884.49,1895.57,1994.87,.95,2137.65,2148.69,2170.97,2182.05,2193.28,2204.37四、施工過程工序施工內(nèi)容搬遷上井8月27日7:00-11:00通井機(jī)搬遷上井。11:00-28日7:00平整井場，同步備水25m3，并配制為注：5噸自吊車運(yùn)送值班房、10m3計(jì)量罐、油管架、發(fā)電機(jī)來回兩次40公里。兩噸自吊車運(yùn)送庫房、發(fā)電機(jī)來回兩次4028日7:00-13:30通井機(jī)就位立塔，擺驢頭，提出抽油桿2根。洗井28日13:30-18:30連接泵車管線，泵車大排量反循環(huán)洗井至進(jìn)出口液性一致，排量580L/min，泵壓3.1MPa，沖砂洗井用5‰KCl水溶液60m3。出口返出原油6.5m3，返出水7m起抽油桿柱及泵掛管柱28日18:30-29日7:00做提桿柱前準(zhǔn)備。29日7:00-21:00提出井內(nèi)抽油桿。（期間9:00-11:00接受Φ48.9mm平式油管90根。）21:00-23:30拆井口，安裝SFZ18-35型半封防噴器及簡易自封。23:30-30日12:30提出井內(nèi)所有油管。沖砂30日12:30-31日8:00下沖砂管柱至1917.66m。8:00-16:00泵車反循環(huán)沖砂至筆尖井深2273.91m。16:00-17:30泵車反循環(huán)洗井3周，出口無砂返出，泵壓2.4MPa，排量560L/min，用5‰KCl水溶液65m3。出口返出水6m3管柱構(gòu)造：Φ48.26mm筆尖+Φ48.26mm油管47根+變扣+Φ73mmN80平式油管191根。17:30-18:30將管柱提至筆尖底界井深2075.18m，安裝井口。注：泵車沖砂工作11小時(shí)。液氮?dú)馀e31日18:30-9月3日13:43維護(hù)井場，13:43-16:30液氮反舉，泵壓由0↗19MPa，排量0.65-0.98m3/min，共注入液氮15.63m3，出口返出水排液3日16:30-4日7:00控制放噴排液，放空井內(nèi)氮?dú)猓谟蛪河?9↘0MPa，排出水6.5m3，合計(jì)排出水24.5m3、原油沖砂4日7:00-10:30拆井口，安裝SFZ18-35型半封防噴器。10:30-11:30下沖砂管柱至筆尖底界井深2184.41m處遇阻。11:30-16:30泵車大排量反循環(huán)沖洗至筆尖底界井深2258.48m。16:30-19:00泵車大排量反循環(huán)洗井至進(jìn)出口液性一致，泵壓3.2MPa，排量580L/min，用5‰KCl水溶液60m3，出口返出水7m3,返出原油11m3及少量壓裂砂。19:00-5日7:00提出井內(nèi)油管（泵車沖砂工作8小時(shí)）。清洗油管對(duì)泵試壓5日7:00-10:30提出井內(nèi)所有沖砂管柱。10:30-11:30清洗油管180根，同步地面對(duì)抽油泵試壓5MPa，30min壓力不降，試壓合格。（清蠟車工作5.5小時(shí)）。下泵掛管柱及抽油桿柱5日11:30-18:00下泵掛管柱至絲堵底界井深1727.34m，Φ44mm抽油泵底界井深1675.92m。構(gòu)造：絲堵（0.15m）+Φ73mmN80平式油管5根+砂錨（3.09m）+雙公（0.91m）+Φ44mm泵底帶撞擊式泄油器+Φ73mmN80平式油管175根+油管掛。18:00-23:00拆防噴器，安裝井口，地面清洗抽油桿205根。23:00-6日13:30下抽油桿至泵底，安裝抽油桿防噴盒，調(diào)節(jié)防沖距0.4m。抽油桿構(gòu)造：柱塞（1.48m）+（Φ19mm抽油桿+強(qiáng)磁支撐抗磨副）×10根+補(bǔ)償器（0.56m）+Φ19mm抽油桿50根+變絲（0.10m）+Φ22mm抽油桿95根+光桿。(其中Φ19mm抽油桿每5根加1個(gè)扶正器，Φ22mm抽油桿每6根加一種)。調(diào)節(jié)抽油機(jī)機(jī)抽試采6日13:30-14:00試抽出液正常并憋壓1.8MPa，20min壓力不降，試壓合格。14:00-8日7:00調(diào)節(jié)抽油機(jī)，掛驢頭，同步通井機(jī)放井塔清理井場，結(jié)束施工。試采狀況日期生產(chǎn)時(shí)間（h）含水%油量(t)水量(t)液量(t)-9-824100028.0128.01-9-922.599.40.1422.7522.89-9-1024921.7219.7321.45-9-1122.5901.7715.9217.69-9-122488.51.9114.6816.59-9-132482.52.3310.9813.31-9-142479.62.6710.4413.11-9-152475.62.748.4911.23-9-162475.61.173.614.78-9-172468.93.718.2111.92五、施工分析與特殊狀況闡明本次對(duì)1908-2258m進(jìn)行沖砂施工。第一次沖砂：泵車反循環(huán)洗井3周，出口無砂返出。進(jìn)行液氮反舉，泵壓由0↗19MPa，排量0.65-0.98m3/min，共注入液氮15.63m3，出口返出水第二次沖砂：下沖砂管柱至筆尖底界井深2184.41m處遇阻，泵車大排量反循環(huán)沖洗至筆尖底界井深2258.48m。出口返出少量壓裂砂。六、用料狀況BK20P2井材料消耗一覽表名稱型號(hào)及尺寸單位數(shù)量拉清水方210拉污水方210氯化鉀噸1.1旋塞閥70MPa個(gè)2Φ73mmN80雙公短節(jié)根1自封膠皮個(gè)4防污布米500七、井身構(gòu)造示意圖ф73mmN80平式油管175根ф44mm柱塞+柱塞（1.48m）+（Φ19mm抽油桿+強(qiáng)磁支撐抗磨副）×10根+補(bǔ)償器（0.56m）+Φ19mm抽油桿50根+變絲（0.10m）+Φ22mm抽油桿95根+光桿。(其中Φ19mm抽油桿每5根加1個(gè)扶正器，Φ22mm抽油桿每6根加一種)Φ44mm泵底帶撞擊式泄油器×1675.92m砂錨×3.09m×1679.01mф73mmN80平式油管5根絲堵×0.15m×1727.34BK20P2完井管柱圖八、投產(chǎn)井深構(gòu)造示意圖砂錨44mm泵（1675.92m）2259-2643m強(qiáng)磁防蠟器絲堵泄油器抽油桿扶正器抽油桿油管砂錨44mm泵（1675.922259-2643強(qiáng)磁防蠟器絲堵泄油器抽油桿扶正器抽油桿油管BK20P2井管柱構(gòu)造設(shè)計(jì)示意圖九、附完井管柱具體登記表表7-1BK20P2井完井管柱數(shù)據(jù)表編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）鋼級(jí)絲堵0.1559.6388.83N80油管19.6469.6499.64壁厚（mm）油管29.6379.60409.6493.146.45油管38.7489.6519.65油管49.6399.6529.63直徑（mm）油管59.63209.6196.2039.6473砂錨3.0919.6449.65備注雙公短節(jié)0.9151.4229.6359.64ф44mm泵+泄油器6.8439.6469.6219.6749.6379.6029.6459.6489.6339.6169.6599.6549.6079.60509.6496.3559.6089.5219.6269.6398.8329.6279.53309.6395.4139.6389.6418.8349.6499.6328.8359.61109.60102.9939.6369.6419.6449.6479.6129.6459.6489.6539.5368.8399.6449.6179.63609.6496.30表7-2BK20P2井完井管柱數(shù)據(jù)表編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）鋼級(jí)19.6449.6079.65N8029.6059.6389.64壁厚（mm）39.6469.6499.606.4549.6179.631109.6495.4659.6488.8319.64直徑（mm）69.6598.8328.837379.64908.8392.3039.64備注89.6018.8349.6599.6528.8359.60709.6096.2738.8369.6119.6248.8379.6029.6458.8389.6139.6468.8399.6349.6278.831209.6595.4659.6088.8319.6469.6299.6029.6379.641009.6389.8739.6388.8318.8349.6399.6129.6459.62809.6495.4639.5969.5918.8349.6079.6428.8359.6089.6539.6569.6599.64表7-3BK20P2井完管柱數(shù)據(jù)表編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）鋼級(jí)1309.6439.64N8019.6349.64壁厚（mm）29.6259.615.5139.6369.6149.6079.60直徑（mm）59.6489.617369.6199.60備注79.641609.6496.2389.6519.6399.6429.561409.6496.3039.6419.6449.6428.9759.61泵底1670.82+油補(bǔ)距5.1=1675.92m39.6469.63絲堵1727.34m49.6178.8358.9689.5969.6499.6179.601709.6395.3789.6019.5899.6429.621509.6094.9038.8319.6348.8329.6559.6446.50表7-4BK20P2井完井抽油桿數(shù)據(jù)表編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）鋼級(jí)柱塞1.4828.0448.00桿17.9419mm38.0458.01壁厚（mm）抗19.1848.0468.02桿28.0458.0478.01抗29.1768.0488.01直徑（mm）桿38.0478.0498.0019抗39.1788.03308.0180.64備注桿48.0498.0418.02抗49.18108.0490.1328.00桿58.0118.0338.00抗59.2028.0448.00桿68.0338.0058.00抗69.1748.0368.01桿78.0358.0678.01抗79.2068.0587.99桿88.0378.0398.00抗89.2088.04408.0080.03桿98.0498.04補(bǔ)0.56抗99.20208.0280.3418.00桿108.01164.36補(bǔ)0.5628.00抗109.1918.0038.00補(bǔ)償器0.5628.0248.0018.0338.0058.00表7-5BK20P2井完井抽油桿數(shù)據(jù)表編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）編號(hào)單根長（m）合計(jì)長（m）鋼級(jí)68.0298.0218.0778.01708.0180.1627.95壁厚（mm）88.0018.0037.9798.0128.0048.07508.0280.6238.0057.97直徑（mm）18.0148.0167.9719、2228.0158.02扶0.24備注38.0168.0278.0648.0078.0588.0558.0088.0498.0668.0098.04108.0780.5278.00808.0480.2217.9688.0118.0528.0798.0028.05扶0.24608.0080.0438.0437.9517.9948.0548.0728.0358.0458.0738.0368.0668.0748.0378.0578.0758.0588.0488.0668.0098.05扶0.2478.00908.0580.4898.0688.00變絲0.1022mm208.0480.90表7-6BK2