井組動態(tài)分析例題

井組動態(tài)分析例題分析井組根本概況20-01注采井組位于平方王油田中區(qū)北部，開發(fā)層系沙四段1-3砂層組。該井組包括3口注水井20-01、20-02、20-03井；4口油井，即20-1、20-2、20-3、20-4。目前，該井組的日產(chǎn)液量為244.7噸，日產(chǎn)油為54.5噸，含水77.7％，平均動液面為790.9米。井位圖20-320-0320-220-420-0220-0120-120-01井組油層鉆遇數(shù)據(jù)表

井號20-0120-0220-0320-120-220-320-4井別水井水井水井油井油井油井油井鉆遇油層S41S42S43S41S42S43S41S42S43S41S42S43S41S42S43S41S41S42S43有效厚度5.23.82.66.04.02.54.33.22.05.63.32.35.13.32.37.24.93.93.2解釋油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層生產(chǎn)日期油井開井數(shù)（口）日產(chǎn)量動液面（米）日注水量備注液量（t）油量（t）含水（％）2003.123203.750.175.4739.188.32004.13204.551.574.8748.188.323204.351.574.8734.987.733221.946.779.0673.487.043224.145.879.5690.190.053238.146.080.7698.484.063206.950.175.8731.088.773205.652.474.5740.587.783204.649.575.8742.887.094211.456.073.5826.786.72004.9.220-1檢泵扶躺井104213.255.973.8834.210011423357.775.2809.7100.7124239.555.976.6786.71002005.14242.455.477.2789.6101.324244.754.577.7790.9101.320-01井組生產(chǎn)數(shù)據(jù)表注水日期層位注入壓力P1(S41)P2(S42-3)備注泵壓MPa油壓MPa水嘴mm配注m3/d實注m3/d水嘴mm配注m3/d實注m3/d2003.12S41-3158.666061450602004.1S41-314.58.566062450582S41-3149.0660103450153S41-3159.0660104450144S41-3149.0660874503313日查管換封配5S41-3158.766058450506S41-3148.266061450557S41-314.28.566059450578S41-3148.366060450589S41-313.58.2660674505010S41-312.086100102450522日動管柱調(diào)配11S41-313.58.561001024505412S41-313.28.26100100450522005.1S41-314.08.26100107450502S41-312.4861001084505120-01

水井生產(chǎn)數(shù)據(jù)表注水日期層位注入壓力P1(S41)P2(S42-3)備注泵壓MPa油壓MPa水嘴mm配注m3/d實注m3/d水嘴mm配注m3/d實注m3/d2003.12S41-3157.764042430332004.1S41-314.58.564044430302S41-314964041430323S41-315864040430314S41-314964048430325S41-3158.764040430336S41-3148.264044430307S41-314.29.164046430308S41-3148.364040430319S41-313.58.2640394303110S41-312.08.4640434303211S41-313.58.5640434303312S41-313.29.264044430322005.1S41-314.08.264044430302S41-312.48640424303220-02

水井生產(chǎn)數(shù)據(jù)表注水日期層位注入壓力P1(S41)P2(S42-3)備注泵壓MPa油壓MPa水嘴mm配注m3/d實注m3/d水嘴mm配注m3/d實注m3/d2003.12S41-3157.164039430302004.1S41-314.58.564039430322S41-3149.364040430333S41-315964040430324S41-3149.964040430305S41-3158.764040430316S41-3148.864044430327S41-314.28.564041430308S41-3148.764041430319S41-313.58.2640414303210S41-312.08.1640404303111S41-313.58.5640404303012S41-313.28.664040430322005.1S41-314.08.264042430312S41-312.48640414303020-03

水井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S41-32004.1S41-32S41-33S41-34S41-35S41-36S41-37S41-38S41-39S41-33*2*56*12008.76.723.011252日扶停產(chǎn)井10S41-33*2*56*12008.46.522.5113611S41-33*2*56*120012.59.025.6105812S41-33*2*56*120013.29.825.610692005.1S41-33*2*56*120015.611.426.810382S41-33*2*56*120014.810.926.5102520-1

井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S413*2*56*120014.510.825.811052004.1S413*2*56*120014.610.826.311022S413*2*56*120014.510.626.811003S413*2*56*120014.110.425.910204S413*2*56*120015.211.623.911025S413*2*56*120012.29.522.211086S413*2*56*120014.511.123.211077S413*2*56*120014.511.322.111088S413*2*56*120013.210.024.511209S413*2*56*120012.39.721.2115410S413*2*56*120013.210.024.5114111S413*2*56*1200139.924.2114012S413*2*56*120012.89.823.711502005.1S413*2*56*120011.99.222.811482S413*2*56*120011.48.922114920-2

井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S41150m3/d電泵14922.185.2791.42004.1S41150m3/d電泵15123.384.6788.32S41150m3/d電泵15023.084.7751.83S41150m3/d電泵16818.888.8657.24S41150m3/d電泵17117.489.8645.25S41150m3/d電泵18718.989.9632.16S41150m3/d電泵15422.285.6741.17S41150m3/d電泵15223.484.6748.58S41150m3/d電泵15423.484.8787.59S41150m3/d電泵15223.084.9703.810S41150m3/d電泵15222.685.1745.611S41150m3/d電泵16820.387.9684.612S41150m3/d電泵17419.388.9562.82005.1S41150m3/d電泵17718.889.4558.52S41150m3/d電泵18018.289.9568.720-3

井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S41-33*4*56*100040.217.356.93212004.1S41-33*4*56*100038.917.555.13542S41-33*4*56*100039.817.954.93533S41-33*4*56*100039.817.456.23434S41-33*4*56*100037.916.855.63235S41-33*4*56*100038.917.754.63546S41-33*4*56*100038.416.856.23457S41-33*4*56*100039.117.754.83658S41-33*4*56*100037.416.256.83219S41-33*4*56*100038.416.656.732410S41-33*4*56*100039.616.857.631411S41-33*4*56*100038.517.554.535612S41-33*4*56*100039.517.156.83652005.1S41-33*4*56*100037.916.057.83542S41-33*4*56*100038.516.656.934520-4

井生產(chǎn)數(shù)據(jù)表根據(jù)根底數(shù)據(jù)表畫出該井連通圖20-0320-420-0220-0320-120-0120-220-320-01井組油層鉆遇數(shù)據(jù)表

井號20-0120-0220-0320-120-220-320-4井別水井水井水井油井油井油井油井鉆遇油層S41S42S43S41S42S43S41S42S43S41S42S43S41S42S43S41S41S42S43有效厚度5.23.82.66.04.02.54.33.22.05.63.32.35.13.32.37.24.93.93.2解釋油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層油層一、20-01井組根本概況:1、井組構造東北部為邊水,其余方位為斷層遮擋2、井組包括4口油井,3口水井,均鉆遇和生產(chǎn)砂四段1-3砂層組。

3、油層物性為有效厚度逐漸變小生產(chǎn)日期油井開井數(shù)（口）日產(chǎn)量動液面（米）日注水量備注液量（t）油量（t）含水（％）2003.123203.750.175.4739.188.32004.13204.551.574.8748.188.323204.351.574.8734.987.733221.946.779.0673.487.043224.145.879.5690.190.053238.146.080.7698.484.063206.950.175.8731.088.773205.652.474.5740.587.783204.649.575.8742.887.094211.456.073.5826.786.72004.9.220-1檢泵扶躺井104213.255.973.8834.210011423357.775.2809.7100.7124239.555.976.6786.71002005.14242.455.477.2789.6101.324244.754.577.7790.9101.320-01井組生產(chǎn)數(shù)據(jù)表原因及效果措施分析根據(jù)井組生產(chǎn)數(shù)據(jù)表,可劃分為三個階段:第一階段從2003年12月到2004年5月為產(chǎn)油量下降階段

第二階段從2004年6月到2004年8月為產(chǎn)量穩(wěn)定階段

第三階段2004年9月到2005年2月為產(chǎn)量上升階段

生產(chǎn)日期油井開井數(shù)（口）日產(chǎn)量動液面（米）日注水量備注液量（t）油量（t）含水（％）2003.123203.750.175.4739.188.32004.13204.551.574.8748.188.323204.351.574.8734.987.733221.946.779.0673.487.043224.145.879.5690.190.053238.146.080.7698.484.063206.950.175.8731.088.773205.652.474.5740.587.783204.649.575.8742.887.094211.456.073.5826.786.72004.9.220-1檢泵扶躺井104213.255.973.8834.210011423357.775.2809.7100.7124239.555.976.6786.71002005.14242.455.477.2789.6101.324244.754.577.7790.9101.320-01井組生產(chǎn)數(shù)據(jù)表原因及效果措施分析第一階段的分析該井組第一階段的比照：開井數(shù)不變，日產(chǎn)液量由203.7噸上升到238.1噸，油量由50.1噸下降到46噸，含水由75.4%上升到80.7%，動液面由739米上升到698.4米，產(chǎn)油量的下降是由含水上升造成的。含水的上升是由哪口油井影響的呢？20-3井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S41150m3/d電泵14922.185.2791.42004.1S41150m3/d電泵15123.384.6788.32S41150m3/d電泵15023.084.7751.83S41150m3/d電泵16818.888.8657.24S41150m3/d電泵17117.489.8645.25S41150m3/d電泵18718.989.9632.16S41150m3/d電泵15422.285.6741.17S41150m3/d電泵15223.484.6748.58S41150m3/d電泵15423.484.8787.59S41150m3/d電泵15223.084.9703.810S41150m3/d電泵15222.685.1745.611S41150m3/d電泵16820.387.9684.612S41150m3/d電泵17419.388.9562.82005.1S41150m3/d電泵17718.889.4558.52S41150m3/d電泵18018.289.9568.7從單井數(shù)據(jù)表中可以看出是由20-3井的含水上升造成的。20-3井單采S41與三口水井連通，20-01、20-02、20-03，從3口水井的根底數(shù)據(jù)表來看，20-02和20-03井的注水狀況根本保持穩(wěn)定，而20-01從2004年2月由于封隔失效造成P1超注，P2欠注，另外從油層厚度來看，由于20-3井只有S41油層發(fā)育，且厚度較大，分析認為20-01與20-3連通性較好，地層能量較為充足，因而20-3井的含水上升是由于20-01井的P1超注引起的，造成整個井組含水上升，產(chǎn)量下降。生產(chǎn)日期油井開井數(shù)（口）日產(chǎn)量動液面（米）日注水量備注液量（t）油量（t）含水（％）2003.123203.750.175.4739.188.32004.13204.551.574.8748.188.323204.351.574.8734.987.733221.946.779.0673.487.043224.145.879.5690.190.053238.146.080.7698.484.063206.950.175.8731.088.773205.652.474.5740.587.783204.649.575.8742.887.094211.456.073.5826.786.72004.9.220-1檢泵扶躺井104213.255.973.8834.210011423357.775.2809.7100.7124239.555.976.6786.71002005.14242.455.477.2789.6101.324244.754.577.7790.9101.320-01井組生產(chǎn)數(shù)據(jù)表原因及效果措施分析第二階段產(chǎn)量恢復原因分析：根據(jù)分析結果，2004年4月13號對20-01井實施查管換封后注水合格，20-3井的含水于2004年6月恢復正常，由89.9%下降到85.6%，井組產(chǎn)量恢復正常。生產(chǎn)日期油井開井數(shù)（口）日產(chǎn)量動液面（米）日注水量備注液量（t）油量（t）含水（％）2003.123203.750.175.4739.188.32004.13204.551.574.8748.188.323204.351.574.8734.987.733221.946.779.0673.487.043224.145.879.5690.190.053238.146.080.7698.484.063206.950.175.8731.088.773205.652.474.5740.587.783204.649.575.8742.887.094211.456.073.5826.786.72004.9.2日20-1檢泵扶躺井104213.255.973.8834.210011423357.775.2809.7100.7124239.555.976.6786.71002005.14242.455.477.2789.6101.324244.754.577.7790.9101.320-01井組生產(chǎn)數(shù)據(jù)表原因及效果措施分析.第三階段產(chǎn)量上升原因分析：一方面2004年9月2日對20-1井檢泵扶停后效果較好，增產(chǎn)6.7t/d，但該井液面較深，達1125米，只有75米的漂浮度，于是在2004年10月2日對20-01井進行動管柱調(diào)配，將P1配注量由原來的60m3/d上調(diào)至100m3/d，從2004年11月開始，20-1井開始見效日產(chǎn)液量和動液面均呈現(xiàn)出上升趨勢。為井組穩(wěn)產(chǎn)打下了根底。20-01

水井生產(chǎn)數(shù)據(jù)表注水日期層位注入壓力P1(S41)P2(S42-3)備注泵壓MPa油壓MPa水嘴mm配注m3/d實注m3/d水嘴mm配注m3/d實注m3/d2003.12S41-3158.666061450602004.1S41-314.58.566062450582S41-3149.0660103450153S41-3159.0660104450144S41-3149.0660874503313日查管換封配5S41-3158.766058450506S41-3148.266061450557S41-314.28.566059450578S41-3148.366060450589S41-313.58.2660674505010S41-312.086100102450522日動管柱調(diào)配11S41-313.58.561001024505412S41-313.28.26100100450522005.1S41-314.08.26100107450502S41-312.48610010845051存在問題及下步措施為提高20-1井的地層能量，20-01井P1配注量上調(diào)后雖然20-1的產(chǎn)量有所上升，但應該看到由于與20-01井P1連通的20-3井含水也出現(xiàn)了上升趨勢，建議將20-03井P1的配注量由原來的40m3/d上調(diào)至66-70m3/d，抑制20-01井P1的水向20-3突進，同時確保20-1井有充足的能量供給。20-2井生產(chǎn)數(shù)據(jù)表生產(chǎn)日期生產(chǎn)層位工作制度日產(chǎn)量動液面（m）備注液量（t）油量（t）含水（％）2003.12

S413*2*56*120014.510.825.811052004.1S413*2*56*120014.610.826.311022S413*2*56*120014.510.626.811003S413*2*56*120014.110.425.910204S413*2*56*120015.211.623.911025S413*2*56*120012.29.522.